Home / 52,465.47-72,400.25-28,591.64

Finding the Fourth Proportional to 52,465.47, 72,400.25 and 28,591.64

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Solution

The fourth proportional to 52,465.47, 72,400.25 and 28,591.64 is: 39,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,465.47 : 72,400.25 = 28,591.64 : x
  2. Step 2: Convert to fraction form
    52,465.47/72,400.25 = 28,591.64/x
  3. Step 3: Cross multiply
    52,465.47x = 72,400.25 × 28,591.64
  4. Step 4: Simplify right side
    52,465.47x = 2,070,041,378.95
  5. Step 5: Solve for x
    x = 2,070,041,378.95/52,465.47
  6. Step 6: Final answer
    x = 39,455.31

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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.