Home / 52,203.13-78,304.02-12,760.59

Finding the Fourth Proportional to 52,203.13, 78,304.02 and 12,760.59

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Solution

The fourth proportional to 52,203.13, 78,304.02 and 12,760.59 is: 19,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.13 : 78,304.02 = 12,760.59 : x
  2. Step 2: Convert to fraction form
    52,203.13/78,304.02 = 12,760.59/x
  3. Step 3: Cross multiply
    52,203.13x = 78,304.02 × 12,760.59
  4. Step 4: Simplify right side
    52,203.13x = 999,205,494.57
  5. Step 5: Solve for x
    x = 999,205,494.57/52,203.13
  6. Step 6: Final answer
    x = 19,140.72

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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.