Home / 30,487.86-42,073.41-17,059.14

Finding the Fourth Proportional to 30,487.86, 42,073.41 and 17,059.14

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Solution

The fourth proportional to 30,487.86, 42,073.41 and 17,059.14 is: 23,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.86 : 42,073.41 = 17,059.14 : x
  2. Step 2: Convert to fraction form
    30,487.86/42,073.41 = 17,059.14/x
  3. Step 3: Cross multiply
    30,487.86x = 42,073.41 × 17,059.14
  4. Step 4: Simplify right side
    30,487.86x = 717,736,191.47
  5. Step 5: Solve for x
    x = 717,736,191.47/30,487.86
  6. Step 6: Final answer
    x = 23,541.70

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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.