Home / 31,514.10-43,491.51-18,089.70

Finding the Fourth Proportional to 31,514.10, 43,491.51 and 18,089.70

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Solution

The fourth proportional to 31,514.10, 43,491.51 and 18,089.70 is: 24,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.10 : 43,491.51 = 18,089.70 : x
  2. Step 2: Convert to fraction form
    31,514.10/43,491.51 = 18,089.70/x
  3. Step 3: Cross multiply
    31,514.10x = 43,491.51 × 18,089.70
  4. Step 4: Simplify right side
    31,514.10x = 786,748,368.45
  5. Step 5: Solve for x
    x = 786,748,368.45/31,514.10
  6. Step 6: Final answer
    x = 24,964.96

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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.