Home / 38,275.92-52,822.52-21,281.89

Finding the Fourth Proportional to 38,275.92, 52,822.52 and 21,281.89

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Solution

The fourth proportional to 38,275.92, 52,822.52 and 21,281.89 is: 29,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.92 : 52,822.52 = 21,281.89 : x
  2. Step 2: Convert to fraction form
    38,275.92/52,822.52 = 21,281.89/x
  3. Step 3: Cross multiply
    38,275.92x = 52,822.52 × 21,281.89
  4. Step 4: Simplify right side
    38,275.92x = 1,124,162,928.11
  5. Step 5: Solve for x
    x = 1,124,162,928.11/38,275.92
  6. Step 6: Final answer
    x = 29,369.98

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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.