Home / 56,679.48-85,017.06-15,126.12

Finding the Fourth Proportional to 56,679.48, 85,017.06 and 15,126.12

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Solution

The fourth proportional to 56,679.48, 85,017.06 and 15,126.12 is: 22,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679.48 : 85,017.06 = 15,126.12 : x
  2. Step 2: Convert to fraction form
    56,679.48/85,017.06 = 15,126.12/x
  3. Step 3: Cross multiply
    56,679.48x = 85,017.06 × 15,126.12
  4. Step 4: Simplify right side
    56,679.48x = 1,285,978,251.61
  5. Step 5: Solve for x
    x = 1,285,978,251.61/56,679.48
  6. Step 6: Final answer
    x = 22,688.60

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1.5x scale

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.