Home / 47,115.40-70,577.68-21,778.92

Finding the Fourth Proportional to 47,115.40, 70,577.68 and 21,778.92

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Solution

The fourth proportional to 47,115.40, 70,577.68 and 21,778.92 is: 32,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.40 : 70,577.68 = 21,778.92 : x
  2. Step 2: Convert to fraction form
    47,115.40/70,577.68 = 21,778.92/x
  3. Step 3: Cross multiply
    47,115.40x = 70,577.68 × 21,778.92
  4. Step 4: Simplify right side
    47,115.40x = 1,537,105,646.51
  5. Step 5: Solve for x
    x = 1,537,105,646.51/47,115.40
  6. Step 6: Final answer
    x = 32,624.27

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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.