Home / 61,295.75-91,943.63-19,742.75

Finding the Fourth Proportional to 61,295.75, 91,943.63 and 19,742.75

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Solution

The fourth proportional to 61,295.75, 91,943.63 and 19,742.75 is: 29,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,295.75 : 91,943.63 = 19,742.75 : x
  2. Step 2: Convert to fraction form
    61,295.75/91,943.63 = 19,742.75/x
  3. Step 3: Cross multiply
    61,295.75x = 91,943.63 × 19,742.75
  4. Step 4: Simplify right side
    61,295.75x = 1,815,220,002.47
  5. Step 5: Solve for x
    x = 1,815,220,002.47/61,295.75
  6. Step 6: Final answer
    x = 29,614.13

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1.5x scale

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.