Home / 51,920.02-77,632.17-40,061.62

Finding the Fourth Proportional to 51,920.02, 77,632.17 and 40,061.62

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Solution

The fourth proportional to 51,920.02, 77,632.17 and 40,061.62 is: 59,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.02 : 77,632.17 = 40,061.62 : x
  2. Step 2: Convert to fraction form
    51,920.02/77,632.17 = 40,061.62/x
  3. Step 3: Cross multiply
    51,920.02x = 77,632.17 × 40,061.62
  4. Step 4: Simplify right side
    51,920.02x = 3,110,070,494.32
  5. Step 5: Solve for x
    x = 3,110,070,494.32/51,920.02
  6. Step 6: Final answer
    x = 59,901.18

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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.