Home / 40,035.71-59,966.08-20,280.35

Finding the Fourth Proportional to 40,035.71, 59,966.08 and 20,280.35

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Solution

The fourth proportional to 40,035.71, 59,966.08 and 20,280.35 is: 30,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.71 : 59,966.08 = 20,280.35 : x
  2. Step 2: Convert to fraction form
    40,035.71/59,966.08 = 20,280.35/x
  3. Step 3: Cross multiply
    40,035.71x = 59,966.08 × 20,280.35
  4. Step 4: Simplify right side
    40,035.71x = 1,216,132,740.00
  5. Step 5: Solve for x
    x = 1,216,132,740.00/40,035.71
  6. Step 6: Final answer
    x = 30,376.20

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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.