Home / 40,210.29-55,559.25-38,791.17

Finding the Fourth Proportional to 40,210.29, 55,559.25 and 38,791.17

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Solution

The fourth proportional to 40,210.29, 55,559.25 and 38,791.17 is: 53,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.29 : 55,559.25 = 38,791.17 : x
  2. Step 2: Convert to fraction form
    40,210.29/55,559.25 = 38,791.17/x
  3. Step 3: Cross multiply
    40,210.29x = 55,559.25 × 38,791.17
  4. Step 4: Simplify right side
    40,210.29x = 2,155,208,311.82
  5. Step 5: Solve for x
    x = 2,155,208,311.82/40,210.29
  6. Step 6: Final answer
    x = 53,598.43

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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.