Home / 51,001.88-70,379.15-30,869.93

Finding the Fourth Proportional to 51,001.88, 70,379.15 and 30,869.93

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Solution

The fourth proportional to 51,001.88, 70,379.15 and 30,869.93 is: 42,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.88 : 70,379.15 = 30,869.93 : x
  2. Step 2: Convert to fraction form
    51,001.88/70,379.15 = 30,869.93/x
  3. Step 3: Cross multiply
    51,001.88x = 70,379.15 × 30,869.93
  4. Step 4: Simplify right side
    51,001.88x = 2,172,599,455.56
  5. Step 5: Solve for x
    x = 2,172,599,455.56/51,001.88
  6. Step 6: Final answer
    x = 42,598.42

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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.