Home / 42,618.60-63,921.92-22,619.30

Finding the Fourth Proportional to 42,618.60, 63,921.92 and 22,619.30

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Solution

The fourth proportional to 42,618.60, 63,921.92 and 22,619.30 is: 33,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618.60 : 63,921.92 = 22,619.30 : x
  2. Step 2: Convert to fraction form
    42,618.60/63,921.92 = 22,619.30/x
  3. Step 3: Cross multiply
    42,618.60x = 63,921.92 × 22,619.30
  4. Step 4: Simplify right side
    42,618.60x = 1,445,868,652.35
  5. Step 5: Solve for x
    x = 1,445,868,652.35/42,618.60
  6. Step 6: Final answer
    x = 33,925.77

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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.