Home / 31,514.16-43,482.96-18,089.76

Finding the Fourth Proportional to 31,514.16, 43,482.96 and 18,089.76

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Solution

The fourth proportional to 31,514.16, 43,482.96 and 18,089.76 is: 24,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.16 : 43,482.96 = 18,089.76 : x
  2. Step 2: Convert to fraction form
    31,514.16/43,482.96 = 18,089.76/x
  3. Step 3: Cross multiply
    31,514.16x = 43,482.96 × 18,089.76
  4. Step 4: Simplify right side
    31,514.16x = 786,596,310.49
  5. Step 5: Solve for x
    x = 786,596,310.49/31,514.16
  6. Step 6: Final answer
    x = 24,960.09

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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.