Home / 31,236.74-43,125.45-19,316.06

Finding the Fourth Proportional to 31,236.74, 43,125.45 and 19,316.06

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Solution

The fourth proportional to 31,236.74, 43,125.45 and 19,316.06 is: 26,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.74 : 43,125.45 = 19,316.06 : x
  2. Step 2: Convert to fraction form
    31,236.74/43,125.45 = 19,316.06/x
  3. Step 3: Cross multiply
    31,236.74x = 43,125.45 × 19,316.06
  4. Step 4: Simplify right side
    31,236.74x = 833,013,779.73
  5. Step 5: Solve for x
    x = 833,013,779.73/31,236.74
  6. Step 6: Final answer
    x = 26,667.76

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Double scale
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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.