Home / 51,229.62-70,703.67-31,083.30

Finding the Fourth Proportional to 51,229.62, 70,703.67 and 31,083.30

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Solution

The fourth proportional to 51,229.62, 70,703.67 and 31,083.30 is: 42,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.62 : 70,703.67 = 31,083.30 : x
  2. Step 2: Convert to fraction form
    51,229.62/70,703.67 = 31,083.30/x
  3. Step 3: Cross multiply
    51,229.62x = 70,703.67 × 31,083.30
  4. Step 4: Simplify right side
    51,229.62x = 2,197,703,385.71
  5. Step 5: Solve for x
    x = 2,197,703,385.71/51,229.62
  6. Step 6: Final answer
    x = 42,899.08

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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.