Home / 39,158.12-54,025.35-22,160.68

Finding the Fourth Proportional to 39,158.12, 54,025.35 and 22,160.68

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Solution

The fourth proportional to 39,158.12, 54,025.35 and 22,160.68 is: 30,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.12 : 54,025.35 = 22,160.68 : x
  2. Step 2: Convert to fraction form
    39,158.12/54,025.35 = 22,160.68/x
  3. Step 3: Cross multiply
    39,158.12x = 54,025.35 × 22,160.68
  4. Step 4: Simplify right side
    39,158.12x = 1,197,238,275.07
  5. Step 5: Solve for x
    x = 1,197,238,275.07/39,158.12
  6. Step 6: Final answer
    x = 30,574.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.