Home / 31,475.69-47,206.27-8,985.95

Finding the Fourth Proportional to 31,475.69, 47,206.27 and 8,985.95

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Solution

The fourth proportional to 31,475.69, 47,206.27 and 8,985.95 is: 13,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.69 : 47,206.27 = 8,985.95 : x
  2. Step 2: Convert to fraction form
    31,475.69/47,206.27 = 8,985.95/x
  3. Step 3: Cross multiply
    31,475.69x = 47,206.27 × 8,985.95
  4. Step 4: Simplify right side
    31,475.69x = 424,193,181.91
  5. Step 5: Solve for x
    x = 424,193,181.91/31,475.69
  6. Step 6: Final answer
    x = 13,476.85

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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.