Home / 42,228.60-63,415.80-22,545.60

Finding the Fourth Proportional to 42,228.60, 63,415.80 and 22,545.60

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Solution

The fourth proportional to 42,228.60, 63,415.80 and 22,545.60 is: 33,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.60 : 63,415.80 = 22,545.60 : x
  2. Step 2: Convert to fraction form
    42,228.60/63,415.80 = 22,545.60/x
  3. Step 3: Cross multiply
    42,228.60x = 63,415.80 × 22,545.60
  4. Step 4: Simplify right side
    42,228.60x = 1,429,747,260.48
  5. Step 5: Solve for x
    x = 1,429,747,260.48/42,228.60
  6. Step 6: Final answer
    x = 33,857.32

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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.