Home / 39,966.61-55,153.93-22,061.62

Finding the Fourth Proportional to 39,966.61, 55,153.93 and 22,061.62

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Solution

The fourth proportional to 39,966.61, 55,153.93 and 22,061.62 is: 30,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.61 : 55,153.93 = 22,061.62 : x
  2. Step 2: Convert to fraction form
    39,966.61/55,153.93 = 22,061.62/x
  3. Step 3: Cross multiply
    39,966.61x = 55,153.93 × 22,061.62
  4. Step 4: Simplify right side
    39,966.61x = 1,216,785,045.17
  5. Step 5: Solve for x
    x = 1,216,785,045.17/39,966.61
  6. Step 6: Final answer
    x = 30,445.04

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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.