Home / 52,464.09-72,400.45-28,590.77

Finding the Fourth Proportional to 52,464.09, 72,400.45 and 28,590.77

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Solution

The fourth proportional to 52,464.09, 72,400.45 and 28,590.77 is: 39,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,464.09 : 72,400.45 = 28,590.77 : x
  2. Step 2: Convert to fraction form
    52,464.09/72,400.45 = 28,590.77/x
  3. Step 3: Cross multiply
    52,464.09x = 72,400.45 × 28,590.77
  4. Step 4: Simplify right side
    52,464.09x = 2,069,984,251.84
  5. Step 5: Solve for x
    x = 2,069,984,251.84/52,464.09
  6. Step 6: Final answer
    x = 39,455.26

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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.