Home / 84,327.47-126,532.21-39,901.30

Finding the Fourth Proportional to 84,327.47, 126,532.21 and 39,901.30

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Solution

The fourth proportional to 84,327.47, 126,532.21 and 39,901.30 is: 59,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,327.47 : 126,532.21 = 39,901.30 : x
  2. Step 2: Convert to fraction form
    84,327.47/126,532.21 = 39,901.30/x
  3. Step 3: Cross multiply
    84,327.47x = 126,532.21 × 39,901.30
  4. Step 4: Simplify right side
    84,327.47x = 5,048,799,670.87
  5. Step 5: Solve for x
    x = 5,048,799,670.87/84,327.47
  6. Step 6: Final answer
    x = 59,871.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.