Home / 42,530.50-63,774.96-25,680.88

Finding the Fourth Proportional to 42,530.50, 63,774.96 and 25,680.88

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Solution

The fourth proportional to 42,530.50, 63,774.96 and 25,680.88 is: 38,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.50 : 63,774.96 = 25,680.88 : x
  2. Step 2: Convert to fraction form
    42,530.50/63,774.96 = 25,680.88/x
  3. Step 3: Cross multiply
    42,530.50x = 63,774.96 × 25,680.88
  4. Step 4: Simplify right side
    42,530.50x = 1,637,797,094.76
  5. Step 5: Solve for x
    x = 1,637,797,094.76/42,530.50
  6. Step 6: Final answer
    x = 38,508.77

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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.