Home / 31,753.99-43,820.45-18,325.24

Finding the Fourth Proportional to 31,753.99, 43,820.45 and 18,325.24

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Solution

The fourth proportional to 31,753.99, 43,820.45 and 18,325.24 is: 25,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,753.99 : 43,820.45 = 18,325.24 : x
  2. Step 2: Convert to fraction form
    31,753.99/43,820.45 = 18,325.24/x
  3. Step 3: Cross multiply
    31,753.99x = 43,820.45 × 18,325.24
  4. Step 4: Simplify right side
    31,753.99x = 803,020,130.70
  5. Step 5: Solve for x
    x = 803,020,130.70/31,753.99
  6. Step 6: Final answer
    x = 25,288.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.