Home / 53,320.29-79,953.68-17,769.12

Finding the Fourth Proportional to 53,320.29, 79,953.68 and 17,769.12

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Solution

The fourth proportional to 53,320.29, 79,953.68 and 17,769.12 is: 26,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.29 : 79,953.68 = 17,769.12 : x
  2. Step 2: Convert to fraction form
    53,320.29/79,953.68 = 17,769.12/x
  3. Step 3: Cross multiply
    53,320.29x = 79,953.68 × 17,769.12
  4. Step 4: Simplify right side
    53,320.29x = 1,420,706,445.52
  5. Step 5: Solve for x
    x = 1,420,706,445.52/53,320.29
  6. Step 6: Final answer
    x = 26,644.76

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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.