Home / 29,463.83-40,612.87-19,900.72

Finding the Fourth Proportional to 29,463.83, 40,612.87 and 19,900.72

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Solution

The fourth proportional to 29,463.83, 40,612.87 and 19,900.72 is: 27,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,463.83 : 40,612.87 = 19,900.72 : x
  2. Step 2: Convert to fraction form
    29,463.83/40,612.87 = 19,900.72/x
  3. Step 3: Cross multiply
    29,463.83x = 40,612.87 × 19,900.72
  4. Step 4: Simplify right side
    29,463.83x = 808,225,354.27
  5. Step 5: Solve for x
    x = 808,225,354.27/29,463.83
  6. Step 6: Final answer
    x = 27,431.10

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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.