Home / 39,966.16-55,152.99-22,061.17

Finding the Fourth Proportional to 39,966.16, 55,152.99 and 22,061.17

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Solution

The fourth proportional to 39,966.16, 55,152.99 and 22,061.17 is: 30,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.16 : 55,152.99 = 22,061.17 : x
  2. Step 2: Convert to fraction form
    39,966.16/55,152.99 = 22,061.17/x
  3. Step 3: Cross multiply
    39,966.16x = 55,152.99 × 22,061.17
  4. Step 4: Simplify right side
    39,966.16x = 1,216,739,488.40
  5. Step 5: Solve for x
    x = 1,216,739,488.40/39,966.16
  6. Step 6: Final answer
    x = 30,444.24

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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.