Home / 40,718.14-56,192.12-22,812.74

Finding the Fourth Proportional to 40,718.14, 56,192.12 and 22,812.74

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Solution

The fourth proportional to 40,718.14, 56,192.12 and 22,812.74 is: 31,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.14 : 56,192.12 = 22,812.74 : x
  2. Step 2: Convert to fraction form
    40,718.14/56,192.12 = 22,812.74/x
  3. Step 3: Cross multiply
    40,718.14x = 56,192.12 × 22,812.74
  4. Step 4: Simplify right side
    40,718.14x = 1,281,896,223.61
  5. Step 5: Solve for x
    x = 1,281,896,223.61/40,718.14
  6. Step 6: Final answer
    x = 31,482.19

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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.