Home / 42,008.55-57,972.47-23,145.67

Finding the Fourth Proportional to 42,008.55, 57,972.47 and 23,145.67

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Solution

The fourth proportional to 42,008.55, 57,972.47 and 23,145.67 is: 31,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.55 : 57,972.47 = 23,145.67 : x
  2. Step 2: Convert to fraction form
    42,008.55/57,972.47 = 23,145.67/x
  3. Step 3: Cross multiply
    42,008.55x = 57,972.47 × 23,145.67
  4. Step 4: Simplify right side
    42,008.55x = 1,341,811,659.70
  5. Step 5: Solve for x
    x = 1,341,811,659.70/42,008.55
  6. Step 6: Final answer
    x = 31,941.39

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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.