Home / 29,442.04-40,623.08-19,899.72

Finding the Fourth Proportional to 29,442.04, 40,623.08 and 19,899.72

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Solution

The fourth proportional to 29,442.04, 40,623.08 and 19,899.72 is: 27,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.04 : 40,623.08 = 19,899.72 : x
  2. Step 2: Convert to fraction form
    29,442.04/40,623.08 = 19,899.72/x
  3. Step 3: Cross multiply
    29,442.04x = 40,623.08 × 19,899.72
  4. Step 4: Simplify right side
    29,442.04x = 808,387,917.54
  5. Step 5: Solve for x
    x = 808,387,917.54/29,442.04
  6. Step 6: Final answer
    x = 27,456.93

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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.