Home / 51,212.40-70,666.20-29,998.56

Finding the Fourth Proportional to 51,212.40, 70,666.20 and 29,998.56

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Solution

The fourth proportional to 51,212.40, 70,666.20 and 29,998.56 is: 41,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.40 : 70,666.20 = 29,998.56 : x
  2. Step 2: Convert to fraction form
    51,212.40/70,666.20 = 29,998.56/x
  3. Step 3: Cross multiply
    51,212.40x = 70,666.20 × 29,998.56
  4. Step 4: Simplify right side
    51,212.40x = 2,119,884,240.67
  5. Step 5: Solve for x
    x = 2,119,884,240.67/51,212.40
  6. Step 6: Final answer
    x = 41,393.96

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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.