Home / 42,003.14-57,960.90-23,140.26

Finding the Fourth Proportional to 42,003.14, 57,960.90 and 23,140.26

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Solution

The fourth proportional to 42,003.14, 57,960.90 and 23,140.26 is: 31,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.14 : 57,960.90 = 23,140.26 : x
  2. Step 2: Convert to fraction form
    42,003.14/57,960.90 = 23,140.26/x
  3. Step 3: Cross multiply
    42,003.14x = 57,960.90 × 23,140.26
  4. Step 4: Simplify right side
    42,003.14x = 1,341,230,295.83
  5. Step 5: Solve for x
    x = 1,341,230,295.83/42,003.14
  6. Step 6: Final answer
    x = 31,931.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.