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Finding the Fourth Proportional to 61,177.93, 91,681.56 and 33,037.40

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Solution

The fourth proportional to 61,177.93, 91,681.56 and 33,037.40 is: 49,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,177.93 : 91,681.56 = 33,037.40 : x
  2. Step 2: Convert to fraction form
    61,177.93/91,681.56 = 33,037.40/x
  3. Step 3: Cross multiply
    61,177.93x = 91,681.56 × 33,037.40
  4. Step 4: Simplify right side
    61,177.93x = 3,028,920,599.55
  5. Step 5: Solve for x
    x = 3,028,920,599.55/61,177.93
  6. Step 6: Final answer
    x = 49,510.02

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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.