Home / 36,345.70-54,525.87-12,971.53

Finding the Fourth Proportional to 36,345.70, 54,525.87 and 12,971.53

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Solution

The fourth proportional to 36,345.70, 54,525.87 and 12,971.53 is: 19,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.70 : 54,525.87 = 12,971.53 : x
  2. Step 2: Convert to fraction form
    36,345.70/54,525.87 = 12,971.53/x
  3. Step 3: Cross multiply
    36,345.70x = 54,525.87 × 12,971.53
  4. Step 4: Simplify right side
    36,345.70x = 707,283,822.17
  5. Step 5: Solve for x
    x = 707,283,822.17/36,345.70
  6. Step 6: Final answer
    x = 19,459.91

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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.