Home / 40,074.28-55,306.64-23,079.08

Finding the Fourth Proportional to 40,074.28, 55,306.64 and 23,079.08

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Solution

The fourth proportional to 40,074.28, 55,306.64 and 23,079.08 is: 31,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.28 : 55,306.64 = 23,079.08 : x
  2. Step 2: Convert to fraction form
    40,074.28/55,306.64 = 23,079.08/x
  3. Step 3: Cross multiply
    40,074.28x = 55,306.64 × 23,079.08
  4. Step 4: Simplify right side
    40,074.28x = 1,276,426,369.09
  5. Step 5: Solve for x
    x = 1,276,426,369.09/40,074.28
  6. Step 6: Final answer
    x = 31,851.51

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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.