Home / 55,019.64-75,926.52-31,146.24

Finding the Fourth Proportional to 55,019.64, 75,926.52 and 31,146.24

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Solution

The fourth proportional to 55,019.64, 75,926.52 and 31,146.24 is: 42,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.64 : 75,926.52 = 31,146.24 : x
  2. Step 2: Convert to fraction form
    55,019.64/75,926.52 = 31,146.24/x
  3. Step 3: Cross multiply
    55,019.64x = 75,926.52 × 31,146.24
  4. Step 4: Simplify right side
    55,019.64x = 2,364,825,614.28
  5. Step 5: Solve for x
    x = 2,364,825,614.28/55,019.64
  6. Step 6: Final answer
    x = 42,981.48

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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.