Home / 51,045.39-70,442.87-29,820.15

Finding the Fourth Proportional to 51,045.39, 70,442.87 and 29,820.15

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Solution

The fourth proportional to 51,045.39, 70,442.87 and 29,820.15 is: 41,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,045.39 : 70,442.87 = 29,820.15 : x
  2. Step 2: Convert to fraction form
    51,045.39/70,442.87 = 29,820.15/x
  3. Step 3: Cross multiply
    51,045.39x = 70,442.87 × 29,820.15
  4. Step 4: Simplify right side
    51,045.39x = 2,100,616,800.73
  5. Step 5: Solve for x
    x = 2,100,616,800.73/51,045.39
  6. Step 6: Final answer
    x = 41,151.94

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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.