Home / 31,519.28-43,489.08-17,904.32

Finding the Fourth Proportional to 31,519.28, 43,489.08 and 17,904.32

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Solution

The fourth proportional to 31,519.28, 43,489.08 and 17,904.32 is: 24,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.28 : 43,489.08 = 17,904.32 : x
  2. Step 2: Convert to fraction form
    31,519.28/43,489.08 = 17,904.32/x
  3. Step 3: Cross multiply
    31,519.28x = 43,489.08 × 17,904.32
  4. Step 4: Simplify right side
    31,519.28x = 778,642,404.83
  5. Step 5: Solve for x
    x = 778,642,404.83/31,519.28
  6. Step 6: Final answer
    x = 24,703.69

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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.