Home / 42,518.59-58,614.17-28,154.32

Finding the Fourth Proportional to 42,518.59, 58,614.17 and 28,154.32

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Solution

The fourth proportional to 42,518.59, 58,614.17 and 28,154.32 is: 38,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,518.59 : 58,614.17 = 28,154.32 : x
  2. Step 2: Convert to fraction form
    42,518.59/58,614.17 = 28,154.32/x
  3. Step 3: Cross multiply
    42,518.59x = 58,614.17 × 28,154.32
  4. Step 4: Simplify right side
    42,518.59x = 1,650,241,811.41
  5. Step 5: Solve for x
    x = 1,650,241,811.41/42,518.59
  6. Step 6: Final answer
    x = 38,812.24

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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.