Home / 42,879.66-64,026.26-38,408.46

Finding the Fourth Proportional to 42,879.66, 64,026.26 and 38,408.46

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Solution

The fourth proportional to 42,879.66, 64,026.26 and 38,408.46 is: 57,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,879.66 : 64,026.26 = 38,408.46 : x
  2. Step 2: Convert to fraction form
    42,879.66/64,026.26 = 38,408.46/x
  3. Step 3: Cross multiply
    42,879.66x = 64,026.26 × 38,408.46
  4. Step 4: Simplify right side
    42,879.66x = 2,459,149,854.12
  5. Step 5: Solve for x
    x = 2,459,149,854.12/42,879.66
  6. Step 6: Final answer
    x = 57,350.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.