Home / 31,803.83-43,892.76-18,193.14

Finding the Fourth Proportional to 31,803.83, 43,892.76 and 18,193.14

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Solution

The fourth proportional to 31,803.83, 43,892.76 and 18,193.14 is: 25,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.83 : 43,892.76 = 18,193.14 : x
  2. Step 2: Convert to fraction form
    31,803.83/43,892.76 = 18,193.14/x
  3. Step 3: Cross multiply
    31,803.83x = 43,892.76 × 18,193.14
  4. Step 4: Simplify right side
    31,803.83x = 798,547,127.67
  5. Step 5: Solve for x
    x = 798,547,127.67/31,803.83
  6. Step 6: Final answer
    x = 25,108.52

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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.