Home / 39,966.14-55,153.28-22,061.15

Finding the Fourth Proportional to 39,966.14, 55,153.28 and 22,061.15

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Solution

The fourth proportional to 39,966.14, 55,153.28 and 22,061.15 is: 30,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.14 : 55,153.28 = 22,061.15 : x
  2. Step 2: Convert to fraction form
    39,966.14/55,153.28 = 22,061.15/x
  3. Step 3: Cross multiply
    39,966.14x = 55,153.28 × 22,061.15
  4. Step 4: Simplify right side
    39,966.14x = 1,216,744,783.07
  5. Step 5: Solve for x
    x = 1,216,744,783.07/39,966.14
  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.