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Finding the Fourth Proportional to 61,044.71, 84,240.71 and 34,187.00

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Solution

The fourth proportional to 61,044.71, 84,240.71 and 34,187.00 is: 47,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,044.71 : 84,240.71 = 34,187.00 : x
  2. Step 2: Convert to fraction form
    61,044.71/84,240.71 = 34,187.00/x
  3. Step 3: Cross multiply
    61,044.71x = 84,240.71 × 34,187.00
  4. Step 4: Simplify right side
    61,044.71x = 2,879,936,688.83
  5. Step 5: Solve for x
    x = 2,879,936,688.83/61,044.71
  6. Step 6: Final answer
    x = 47,177.50

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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.