Home / 52,453.61-78,587.12-30,221.06

Finding the Fourth Proportional to 52,453.61, 78,587.12 and 30,221.06

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Solution

The fourth proportional to 52,453.61, 78,587.12 and 30,221.06 is: 45,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.61 : 78,587.12 = 30,221.06 : x
  2. Step 2: Convert to fraction form
    52,453.61/78,587.12 = 30,221.06/x
  3. Step 3: Cross multiply
    52,453.61x = 78,587.12 × 30,221.06
  4. Step 4: Simplify right side
    52,453.61x = 2,374,985,524.71
  5. Step 5: Solve for x
    x = 2,374,985,524.71/52,453.61
  6. Step 6: Final answer
    x = 45,277.83

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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.