Home / 42,545.60-63,818.36-17,558.16

Finding the Fourth Proportional to 42,545.60, 63,818.36 and 17,558.16

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Solution

The fourth proportional to 42,545.60, 63,818.36 and 17,558.16 is: 26,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.60 : 63,818.36 = 17,558.16 : x
  2. Step 2: Convert to fraction form
    42,545.60/63,818.36 = 17,558.16/x
  3. Step 3: Cross multiply
    42,545.60x = 63,818.36 × 17,558.16
  4. Step 4: Simplify right side
    42,545.60x = 1,120,532,975.82
  5. Step 5: Solve for x
    x = 1,120,532,975.82/42,545.60
  6. Step 6: Final answer
    x = 26,337.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.