Home / 40,681.31-61,065.09-36,031.50

Finding the Fourth Proportional to 40,681.31, 61,065.09 and 36,031.50

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Solution

The fourth proportional to 40,681.31, 61,065.09 and 36,031.50 is: 54,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.31 : 61,065.09 = 36,031.50 : x
  2. Step 2: Convert to fraction form
    40,681.31/61,065.09 = 36,031.50/x
  3. Step 3: Cross multiply
    40,681.31x = 61,065.09 × 36,031.50
  4. Step 4: Simplify right side
    40,681.31x = 2,200,266,790.34
  5. Step 5: Solve for x
    x = 2,200,266,790.34/40,681.31
  6. Step 6: Final answer
    x = 54,085.45

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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.