Home / 51,287.18-70,720.50-33,348.92

Finding the Fourth Proportional to 51,287.18, 70,720.50 and 33,348.92

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Solution

The fourth proportional to 51,287.18, 70,720.50 and 33,348.92 is: 45,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.18 : 70,720.50 = 33,348.92 : x
  2. Step 2: Convert to fraction form
    51,287.18/70,720.50 = 33,348.92/x
  3. Step 3: Cross multiply
    51,287.18x = 70,720.50 × 33,348.92
  4. Step 4: Simplify right side
    51,287.18x = 2,358,452,296.86
  5. Step 5: Solve for x
    x = 2,358,452,296.86/51,287.18
  6. Step 6: Final answer
    x = 45,985.22

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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.