Home / 56,865.34-85,279.53-18,904.42

Finding the Fourth Proportional to 56,865.34, 85,279.53 and 18,904.42

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Solution

The fourth proportional to 56,865.34, 85,279.53 and 18,904.42 is: 28,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.34 : 85,279.53 = 18,904.42 : x
  2. Step 2: Convert to fraction form
    56,865.34/85,279.53 = 18,904.42/x
  3. Step 3: Cross multiply
    56,865.34x = 85,279.53 × 18,904.42
  4. Step 4: Simplify right side
    56,865.34x = 1,612,160,052.52
  5. Step 5: Solve for x
    x = 1,612,160,052.52/56,865.34
  6. Step 6: Final answer
    x = 28,350.49

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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.