Home / 31,988.29-47,980.70-9,801.73

Finding the Fourth Proportional to 31,988.29, 47,980.70 and 9,801.73

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Solution

The fourth proportional to 31,988.29, 47,980.70 and 9,801.73 is: 14,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.29 : 47,980.70 = 9,801.73 : x
  2. Step 2: Convert to fraction form
    31,988.29/47,980.70 = 9,801.73/x
  3. Step 3: Cross multiply
    31,988.29x = 47,980.70 × 9,801.73
  4. Step 4: Simplify right side
    31,988.29x = 470,293,602.20
  5. Step 5: Solve for x
    x = 470,293,602.20/31,988.29
  6. Step 6: Final answer
    x = 14,702.06

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1.5x scale

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.