Home / 56,126.81-84,247.11-28,066.92

Finding the Fourth Proportional to 56,126.81, 84,247.11 and 28,066.92

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Solution

The fourth proportional to 56,126.81, 84,247.11 and 28,066.92 is: 42,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.81 : 84,247.11 = 28,066.92 : x
  2. Step 2: Convert to fraction form
    56,126.81/84,247.11 = 28,066.92/x
  3. Step 3: Cross multiply
    56,126.81x = 84,247.11 × 28,066.92
  4. Step 4: Simplify right side
    56,126.81x = 2,364,556,896.60
  5. Step 5: Solve for x
    x = 2,364,556,896.60/56,126.81
  6. Step 6: Final answer
    x = 42,128.83

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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.