Home / 38,275.87-52,822.45-21,281.86

Finding the Fourth Proportional to 38,275.87, 52,822.45 and 21,281.86

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Solution

The fourth proportional to 38,275.87, 52,822.45 and 21,281.86 is: 29,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.87 : 52,822.45 = 21,281.86 : x
  2. Step 2: Convert to fraction form
    38,275.87/52,822.45 = 21,281.86/x
  3. Step 3: Cross multiply
    38,275.87x = 52,822.45 × 21,281.86
  4. Step 4: Simplify right side
    38,275.87x = 1,124,159,841.12
  5. Step 5: Solve for x
    x = 1,124,159,841.12/38,275.87
  6. Step 6: Final answer
    x = 29,369.94

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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.