Home / 66,204.32-99,306.52-19,490.00

Finding the Fourth Proportional to 66,204.32, 99,306.52 and 19,490.00

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Solution

The fourth proportional to 66,204.32, 99,306.52 and 19,490.00 is: 29,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.32 : 99,306.52 = 19,490.00 : x
  2. Step 2: Convert to fraction form
    66,204.32/99,306.52 = 19,490.00/x
  3. Step 3: Cross multiply
    66,204.32x = 99,306.52 × 19,490.00
  4. Step 4: Simplify right side
    66,204.32x = 1,935,483,529.54
  5. Step 5: Solve for x
    x = 1,935,483,529.54/66,204.32
  6. Step 6: Final answer
    x = 29,235.01

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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.