Home / 39,966.17-55,152.90-22,061.32

Finding the Fourth Proportional to 39,966.17, 55,152.90 and 22,061.32

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Solution

The fourth proportional to 39,966.17, 55,152.90 and 22,061.32 is: 30,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.17 : 55,152.90 = 22,061.32 : x
  2. Step 2: Convert to fraction form
    39,966.17/55,152.90 = 22,061.32/x
  3. Step 3: Cross multiply
    39,966.17x = 55,152.90 × 22,061.32
  4. Step 4: Simplify right side
    39,966.17x = 1,216,745,637.95
  5. Step 5: Solve for x
    x = 1,216,745,637.95/39,966.17
  6. Step 6: Final answer
    x = 30,444.39

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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.