Home / 52,421.98-78,562.92-19,110.76

Finding the Fourth Proportional to 52,421.98, 78,562.92 and 19,110.76

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Solution

The fourth proportional to 52,421.98, 78,562.92 and 19,110.76 is: 28,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.98 : 78,562.92 = 19,110.76 : x
  2. Step 2: Convert to fraction form
    52,421.98/78,562.92 = 19,110.76/x
  3. Step 3: Cross multiply
    52,421.98x = 78,562.92 × 19,110.76
  4. Step 4: Simplify right side
    52,421.98x = 1,501,397,109.02
  5. Step 5: Solve for x
    x = 1,501,397,109.02/52,421.98
  6. Step 6: Final answer
    x = 28,640.60

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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.