Home / 51,294.48-70,818.40-39,334.80

Finding the Fourth Proportional to 51,294.48, 70,818.40 and 39,334.80

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Solution

The fourth proportional to 51,294.48, 70,818.40 and 39,334.80 is: 54,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.48 : 70,818.40 = 39,334.80 : x
  2. Step 2: Convert to fraction form
    51,294.48/70,818.40 = 39,334.80/x
  3. Step 3: Cross multiply
    51,294.48x = 70,818.40 × 39,334.80
  4. Step 4: Simplify right side
    51,294.48x = 2,785,627,600.32
  5. Step 5: Solve for x
    x = 2,785,627,600.32/51,294.48
  6. Step 6: Final answer
    x = 54,306.58

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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.