Home / 31,519.02-43,495.68-17,178.99

Finding the Fourth Proportional to 31,519.02, 43,495.68 and 17,178.99

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Solution

The fourth proportional to 31,519.02, 43,495.68 and 17,178.99 is: 23,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.02 : 43,495.68 = 17,178.99 : x
  2. Step 2: Convert to fraction form
    31,519.02/43,495.68 = 17,178.99/x
  3. Step 3: Cross multiply
    31,519.02x = 43,495.68 × 17,178.99
  4. Step 4: Simplify right side
    31,519.02x = 747,211,851.76
  5. Step 5: Solve for x
    x = 747,211,851.76/31,519.02
  6. Step 6: Final answer
    x = 23,706.70

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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.