Home / 31,695.08-43,739.04-17,547.88

Finding the Fourth Proportional to 31,695.08, 43,739.04 and 17,547.88

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Solution

The fourth proportional to 31,695.08, 43,739.04 and 17,547.88 is: 24,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.08 : 43,739.04 = 17,547.88 : x
  2. Step 2: Convert to fraction form
    31,695.08/43,739.04 = 17,547.88/x
  3. Step 3: Cross multiply
    31,695.08x = 43,739.04 × 17,547.88
  4. Step 4: Simplify right side
    31,695.08x = 767,527,425.24
  5. Step 5: Solve for x
    x = 767,527,425.24/31,695.08
  6. Step 6: Final answer
    x = 24,215.98

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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.