Home / 56,863.08-78,471.18-31,714.20

Finding the Fourth Proportional to 56,863.08, 78,471.18 and 31,714.20

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Solution

The fourth proportional to 56,863.08, 78,471.18 and 31,714.20 is: 43,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.08 : 78,471.18 = 31,714.20 : x
  2. Step 2: Convert to fraction form
    56,863.08/78,471.18 = 31,714.20/x
  3. Step 3: Cross multiply
    56,863.08x = 78,471.18 × 31,714.20
  4. Step 4: Simplify right side
    56,863.08x = 2,488,650,696.76
  5. Step 5: Solve for x
    x = 2,488,650,696.76/56,863.08
  6. Step 6: Final answer
    x = 43,765.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.