Home / 53,328.26-79,997.17-13,885.71

Finding the Fourth Proportional to 53,328.26, 79,997.17 and 13,885.71

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Solution

The fourth proportional to 53,328.26, 79,997.17 and 13,885.71 is: 20,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.26 : 79,997.17 = 13,885.71 : x
  2. Step 2: Convert to fraction form
    53,328.26/79,997.17 = 13,885.71/x
  3. Step 3: Cross multiply
    53,328.26x = 79,997.17 × 13,885.71
  4. Step 4: Simplify right side
    53,328.26x = 1,110,817,644.76
  5. Step 5: Solve for x
    x = 1,110,817,644.76/53,328.26
  6. Step 6: Final answer
    x = 20,829.81

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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.