Home / 40,678.26-56,129.54-22,774.02

Finding the Fourth Proportional to 40,678.26, 56,129.54 and 22,774.02

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Solution

The fourth proportional to 40,678.26, 56,129.54 and 22,774.02 is: 31,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.26 : 56,129.54 = 22,774.02 : x
  2. Step 2: Convert to fraction form
    40,678.26/56,129.54 = 22,774.02/x
  3. Step 3: Cross multiply
    40,678.26x = 56,129.54 × 22,774.02
  4. Step 4: Simplify right side
    40,678.26x = 1,278,295,266.55
  5. Step 5: Solve for x
    x = 1,278,295,266.55/40,678.26
  6. Step 6: Final answer
    x = 31,424.53

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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.