Home / 52,455.65-72,387.86-28,582.49

Finding the Fourth Proportional to 52,455.65, 72,387.86 and 28,582.49

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Solution

The fourth proportional to 52,455.65, 72,387.86 and 28,582.49 is: 39,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.65 : 72,387.86 = 28,582.49 : x
  2. Step 2: Convert to fraction form
    52,455.65/72,387.86 = 28,582.49/x
  3. Step 3: Cross multiply
    52,455.65x = 72,387.86 × 28,582.49
  4. Step 4: Simplify right side
    52,455.65x = 2,069,025,141.66
  5. Step 5: Solve for x
    x = 2,069,025,141.66/52,455.65
  6. Step 6: Final answer
    x = 39,443.32

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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.