Home / 64,219.96-88,624.82-38,726.20

Finding the Fourth Proportional to 64,219.96, 88,624.82 and 38,726.20

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Solution

The fourth proportional to 64,219.96, 88,624.82 and 38,726.20 is: 53,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.96 : 88,624.82 = 38,726.20 : x
  2. Step 2: Convert to fraction form
    64,219.96/88,624.82 = 38,726.20/x
  3. Step 3: Cross multiply
    64,219.96x = 88,624.82 × 38,726.20
  4. Step 4: Simplify right side
    64,219.96x = 3,432,102,504.28
  5. Step 5: Solve for x
    x = 3,432,102,504.28/64,219.96
  6. Step 6: Final answer
    x = 53,442.92

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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.