Home / 56,301.42-84,446.19-18,857.55

Finding the Fourth Proportional to 56,301.42, 84,446.19 and 18,857.55

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Solution

The fourth proportional to 56,301.42, 84,446.19 and 18,857.55 is: 28,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.42 : 84,446.19 = 18,857.55 : x
  2. Step 2: Convert to fraction form
    56,301.42/84,446.19 = 18,857.55/x
  3. Step 3: Cross multiply
    56,301.42x = 84,446.19 × 18,857.55
  4. Step 4: Simplify right side
    56,301.42x = 1,592,448,250.23
  5. Step 5: Solve for x
    x = 1,592,448,250.23/56,301.42
  6. Step 6: Final answer
    x = 28,284.34

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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.