Home / 31,248.05-46,875.08-8,758.74

Finding the Fourth Proportional to 31,248.05, 46,875.08 and 8,758.74

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Solution

The fourth proportional to 31,248.05, 46,875.08 and 8,758.74 is: 13,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.05 : 46,875.08 = 8,758.74 : x
  2. Step 2: Convert to fraction form
    31,248.05/46,875.08 = 8,758.74/x
  3. Step 3: Cross multiply
    31,248.05x = 46,875.08 × 8,758.74
  4. Step 4: Simplify right side
    31,248.05x = 410,566,660.10
  5. Step 5: Solve for x
    x = 410,566,660.10/31,248.05
  6. Step 6: Final answer
    x = 13,138.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.