Home / 56,758.96-78,323.70-32,883.76

Finding the Fourth Proportional to 56,758.96, 78,323.70 and 32,883.76

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Solution

The fourth proportional to 56,758.96, 78,323.70 and 32,883.76 is: 45,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758.96 : 78,323.70 = 32,883.76 : x
  2. Step 2: Convert to fraction form
    56,758.96/78,323.70 = 32,883.76/x
  3. Step 3: Cross multiply
    56,758.96x = 78,323.70 × 32,883.76
  4. Step 4: Simplify right side
    56,758.96x = 2,575,577,753.11
  5. Step 5: Solve for x
    x = 2,575,577,753.11/56,758.96
  6. Step 6: Final answer
    x = 45,377.47

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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.