Home / 52,458.20-72,392.76-28,585

Finding the Fourth Proportional to 52,458.20, 72,392.76 and 28,585

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Solution

The fourth proportional to 52,458.20, 72,392.76 and 28,585 is: 39,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,458.20 : 72,392.76 = 28,585 : x
  2. Step 2: Convert to fraction form
    52,458.20/72,392.76 = 28,585/x
  3. Step 3: Cross multiply
    52,458.20x = 72,392.76 × 28,585
  4. Step 4: Simplify right side
    52,458.20x = 2,069,347,044.60
  5. Step 5: Solve for x
    x = 2,069,347,044.60/52,458.20
  6. Step 6: Final answer
    x = 39,447.54

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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.