Home / 39,981.04-59,965.98-21,974.92

Finding the Fourth Proportional to 39,981.04, 59,965.98 and 21,974.92

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Solution

The fourth proportional to 39,981.04, 59,965.98 and 21,974.92 is: 32,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.04 : 59,965.98 = 21,974.92 : x
  2. Step 2: Convert to fraction form
    39,981.04/59,965.98 = 21,974.92/x
  3. Step 3: Cross multiply
    39,981.04x = 59,965.98 × 21,974.92
  4. Step 4: Simplify right side
    39,981.04x = 1,317,747,613.22
  5. Step 5: Solve for x
    x = 1,317,747,613.22/39,981.04
  6. Step 6: Final answer
    x = 32,959.31

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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.