Home / 53,332.95-79,972.56-17,781.66

Finding the Fourth Proportional to 53,332.95, 79,972.56 and 17,781.66

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Solution

The fourth proportional to 53,332.95, 79,972.56 and 17,781.66 is: 26,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.95 : 79,972.56 = 17,781.66 : x
  2. Step 2: Convert to fraction form
    53,332.95/79,972.56 = 17,781.66/x
  3. Step 3: Cross multiply
    53,332.95x = 79,972.56 × 17,781.66
  4. Step 4: Simplify right side
    53,332.95x = 1,422,044,871.25
  5. Step 5: Solve for x
    x = 1,422,044,871.25/53,332.95
  6. Step 6: Final answer
    x = 26,663.53

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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.