Home / 39,670.18-54,741.38-22,671.08

Finding the Fourth Proportional to 39,670.18, 54,741.38 and 22,671.08

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Solution

The fourth proportional to 39,670.18, 54,741.38 and 22,671.08 is: 31,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.18 : 54,741.38 = 22,671.08 : x
  2. Step 2: Convert to fraction form
    39,670.18/54,741.38 = 22,671.08/x
  3. Step 3: Cross multiply
    39,670.18x = 54,741.38 × 22,671.08
  4. Step 4: Simplify right side
    39,670.18x = 1,241,046,205.29
  5. Step 5: Solve for x
    x = 1,241,046,205.29/39,670.18
  6. Step 6: Final answer
    x = 31,284.11

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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.