Home / 43,248.74-64,881.88-18,288.72

Finding the Fourth Proportional to 43,248.74, 64,881.88 and 18,288.72

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Solution

The fourth proportional to 43,248.74, 64,881.88 and 18,288.72 is: 27,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,248.74 : 64,881.88 = 18,288.72 : x
  2. Step 2: Convert to fraction form
    43,248.74/64,881.88 = 18,288.72/x
  3. Step 3: Cross multiply
    43,248.74x = 64,881.88 × 18,288.72
  4. Step 4: Simplify right side
    43,248.74x = 1,186,606,490.67
  5. Step 5: Solve for x
    x = 1,186,606,490.67/43,248.74
  6. Step 6: Final answer
    x = 27,436.79

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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.