Home / 52,465.57-72,400.38-28,591.74

Finding the Fourth Proportional to 52,465.57, 72,400.38 and 28,591.74

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Solution

The fourth proportional to 52,465.57, 72,400.38 and 28,591.74 is: 39,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,465.57 : 72,400.38 = 28,591.74 : x
  2. Step 2: Convert to fraction form
    52,465.57/72,400.38 = 28,591.74/x
  3. Step 3: Cross multiply
    52,465.57x = 72,400.38 × 28,591.74
  4. Step 4: Simplify right side
    52,465.57x = 2,070,052,840.86
  5. Step 5: Solve for x
    x = 2,070,052,840.86/52,465.57
  6. Step 6: Final answer
    x = 39,455.45

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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.