Home / 31,646.13-43,677.12-19,070.88

Finding the Fourth Proportional to 31,646.13, 43,677.12 and 19,070.88

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Solution

The fourth proportional to 31,646.13, 43,677.12 and 19,070.88 is: 26,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.13 : 43,677.12 = 19,070.88 : x
  2. Step 2: Convert to fraction form
    31,646.13/43,677.12 = 19,070.88/x
  3. Step 3: Cross multiply
    31,646.13x = 43,677.12 × 19,070.88
  4. Step 4: Simplify right side
    31,646.13x = 832,961,114.27
  5. Step 5: Solve for x
    x = 832,961,114.27/31,646.13
  6. Step 6: Final answer
    x = 26,321.11

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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.