Home / 52,262.12-72,122.34-28,389.17

Finding the Fourth Proportional to 52,262.12, 72,122.34 and 28,389.17

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Solution

The fourth proportional to 52,262.12, 72,122.34 and 28,389.17 is: 39,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.12 : 72,122.34 = 28,389.17 : x
  2. Step 2: Convert to fraction form
    52,262.12/72,122.34 = 28,389.17/x
  3. Step 3: Cross multiply
    52,262.12x = 72,122.34 × 28,389.17
  4. Step 4: Simplify right side
    52,262.12x = 2,047,493,010.45
  5. Step 5: Solve for x
    x = 2,047,493,010.45/52,262.12
  6. Step 6: Final answer
    x = 39,177.39

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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.