Home / 40,932.30-61,398.45-31,090.80

Finding the Fourth Proportional to 40,932.30, 61,398.45 and 31,090.80

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Solution

The fourth proportional to 40,932.30, 61,398.45 and 31,090.80 is: 46,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,932.30 : 61,398.45 = 31,090.80 : x
  2. Step 2: Convert to fraction form
    40,932.30/61,398.45 = 31,090.80/x
  3. Step 3: Cross multiply
    40,932.30x = 61,398.45 × 31,090.80
  4. Step 4: Simplify right side
    40,932.30x = 1,908,926,929.26
  5. Step 5: Solve for x
    x = 1,908,926,929.26/40,932.30
  6. Step 6: Final answer
    x = 46,636.20

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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.