Home / 40,947.78-61,430.40-23,186.76

Finding the Fourth Proportional to 40,947.78, 61,430.40 and 23,186.76

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Solution

The fourth proportional to 40,947.78, 61,430.40 and 23,186.76 is: 34,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.78 : 61,430.40 = 23,186.76 : x
  2. Step 2: Convert to fraction form
    40,947.78/61,430.40 = 23,186.76/x
  3. Step 3: Cross multiply
    40,947.78x = 61,430.40 × 23,186.76
  4. Step 4: Simplify right side
    40,947.78x = 1,424,371,711.14
  5. Step 5: Solve for x
    x = 1,424,371,711.14/40,947.78
  6. Step 6: Final answer
    x = 34,785.08

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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.