Home / 43,490.17-65,231.13-13,900.06

Finding the Fourth Proportional to 43,490.17, 65,231.13 and 13,900.06

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Solution

The fourth proportional to 43,490.17, 65,231.13 and 13,900.06 is: 20,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.17 : 65,231.13 = 13,900.06 : x
  2. Step 2: Convert to fraction form
    43,490.17/65,231.13 = 13,900.06/x
  3. Step 3: Cross multiply
    43,490.17x = 65,231.13 × 13,900.06
  4. Step 4: Simplify right side
    43,490.17x = 906,716,294.71
  5. Step 5: Solve for x
    x = 906,716,294.71/43,490.17
  6. Step 6: Final answer
    x = 20,848.77

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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.