Home / 51,357.18-70,859.95-30,132.34

Finding the Fourth Proportional to 51,357.18, 70,859.95 and 30,132.34

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Solution

The fourth proportional to 51,357.18, 70,859.95 and 30,132.34 is: 41,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.18 : 70,859.95 = 30,132.34 : x
  2. Step 2: Convert to fraction form
    51,357.18/70,859.95 = 30,132.34/x
  3. Step 3: Cross multiply
    51,357.18x = 70,859.95 × 30,132.34
  4. Step 4: Simplify right side
    51,357.18x = 2,135,176,105.78
  5. Step 5: Solve for x
    x = 2,135,176,105.78/51,357.18
  6. Step 6: Final answer
    x = 41,575.03

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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.