Home / 52,442.28-72,370.71-28,569.60

Finding the Fourth Proportional to 52,442.28, 72,370.71 and 28,569.60

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Solution

The fourth proportional to 52,442.28, 72,370.71 and 28,569.60 is: 39,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.28 : 72,370.71 = 28,569.60 : x
  2. Step 2: Convert to fraction form
    52,442.28/72,370.71 = 28,569.60/x
  3. Step 3: Cross multiply
    52,442.28x = 72,370.71 × 28,569.60
  4. Step 4: Simplify right side
    52,442.28x = 2,067,602,236.42
  5. Step 5: Solve for x
    x = 2,067,602,236.42/52,442.28
  6. Step 6: Final answer
    x = 39,426.25

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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.