Home / 40,810.17-61,088.05-31,425.81

Finding the Fourth Proportional to 40,810.17, 61,088.05 and 31,425.81

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Solution

The fourth proportional to 40,810.17, 61,088.05 and 31,425.81 is: 47,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.17 : 61,088.05 = 31,425.81 : x
  2. Step 2: Convert to fraction form
    40,810.17/61,088.05 = 31,425.81/x
  3. Step 3: Cross multiply
    40,810.17x = 61,088.05 × 31,425.81
  4. Step 4: Simplify right side
    40,810.17x = 1,919,741,295.44
  5. Step 5: Solve for x
    x = 1,919,741,295.44/40,810.17
  6. Step 6: Final answer
    x = 47,040.76

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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.