Home / 53,024.12-79,534.35-13,581.57

Finding the Fourth Proportional to 53,024.12, 79,534.35 and 13,581.57

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Solution

The fourth proportional to 53,024.12, 79,534.35 and 13,581.57 is: 20,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,024.12 : 79,534.35 = 13,581.57 : x
  2. Step 2: Convert to fraction form
    53,024.12/79,534.35 = 13,581.57/x
  3. Step 3: Cross multiply
    53,024.12x = 79,534.35 × 13,581.57
  4. Step 4: Simplify right side
    53,024.12x = 1,080,201,341.93
  5. Step 5: Solve for x
    x = 1,080,201,341.93/53,024.12
  6. Step 6: Final answer
    x = 20,371.89

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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.