Home / 52,280.19-72,146.52-28,406.95

Finding the Fourth Proportional to 52,280.19, 72,146.52 and 28,406.95

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Solution

The fourth proportional to 52,280.19, 72,146.52 and 28,406.95 is: 39,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.19 : 72,146.52 = 28,406.95 : x
  2. Step 2: Convert to fraction form
    52,280.19/72,146.52 = 28,406.95/x
  3. Step 3: Cross multiply
    52,280.19x = 72,146.52 × 28,406.95
  4. Step 4: Simplify right side
    52,280.19x = 2,049,462,405.95
  5. Step 5: Solve for x
    x = 2,049,462,405.95/52,280.19
  6. Step 6: Final answer
    x = 39,201.51

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Double scale
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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.