Home / 51,159.82-70,600.15-28,498.57

Finding the Fourth Proportional to 51,159.82, 70,600.15 and 28,498.57

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Solution

The fourth proportional to 51,159.82, 70,600.15 and 28,498.57 is: 39,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.82 : 70,600.15 = 28,498.57 : x
  2. Step 2: Convert to fraction form
    51,159.82/70,600.15 = 28,498.57/x
  3. Step 3: Cross multiply
    51,159.82x = 70,600.15 × 28,498.57
  4. Step 4: Simplify right side
    51,159.82x = 2,012,003,316.79
  5. Step 5: Solve for x
    x = 2,012,003,316.79/51,159.82
  6. Step 6: Final answer
    x = 39,327.80

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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.