Home / 29,036.10-40,064.56-19,489.85

Finding the Fourth Proportional to 29,036.10, 40,064.56 and 19,489.85

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Solution

The fourth proportional to 29,036.10, 40,064.56 and 19,489.85 is: 26,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036.10 : 40,064.56 = 19,489.85 : x
  2. Step 2: Convert to fraction form
    29,036.10/40,064.56 = 19,489.85/x
  3. Step 3: Cross multiply
    29,036.10x = 40,064.56 × 19,489.85
  4. Step 4: Simplify right side
    29,036.10x = 780,852,165.91
  5. Step 5: Solve for x
    x = 780,852,165.91/29,036.10
  6. Step 6: Final answer
    x = 26,892.46

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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.