Home / 42,015.34-57,980.85-23,152.46

Finding the Fourth Proportional to 42,015.34, 57,980.85 and 23,152.46

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Solution

The fourth proportional to 42,015.34, 57,980.85 and 23,152.46 is: 31,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.34 : 57,980.85 = 23,152.46 : x
  2. Step 2: Convert to fraction form
    42,015.34/57,980.85 = 23,152.46/x
  3. Step 3: Cross multiply
    42,015.34x = 57,980.85 × 23,152.46
  4. Step 4: Simplify right side
    42,015.34x = 1,342,399,310.39
  5. Step 5: Solve for x
    x = 1,342,399,310.39/42,015.34
  6. Step 6: Final answer
    x = 31,950.22

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Double scale
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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.