Home / 52,463.96-72,400.28-28,590.64

Finding the Fourth Proportional to 52,463.96, 72,400.28 and 28,590.64

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Solution

The fourth proportional to 52,463.96, 72,400.28 and 28,590.64 is: 39,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.96 : 72,400.28 = 28,590.64 : x
  2. Step 2: Convert to fraction form
    52,463.96/72,400.28 = 28,590.64/x
  3. Step 3: Cross multiply
    52,463.96x = 72,400.28 × 28,590.64
  4. Step 4: Simplify right side
    52,463.96x = 2,069,970,017.43
  5. Step 5: Solve for x
    x = 2,069,970,017.43/52,463.96
  6. Step 6: Final answer
    x = 39,455.09

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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.