Home / 56,712.24-85,061.88-15,162.48

Finding the Fourth Proportional to 56,712.24, 85,061.88 and 15,162.48

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Solution

The fourth proportional to 56,712.24, 85,061.88 and 15,162.48 is: 22,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.24 : 85,061.88 = 15,162.48 : x
  2. Step 2: Convert to fraction form
    56,712.24/85,061.88 = 15,162.48/x
  3. Step 3: Cross multiply
    56,712.24x = 85,061.88 × 15,162.48
  4. Step 4: Simplify right side
    56,712.24x = 1,289,749,054.26
  5. Step 5: Solve for x
    x = 1,289,749,054.26/56,712.24
  6. Step 6: Final answer
    x = 22,741.99

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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.