Home / 56,127.78-84,206.27-28,046.70

Finding the Fourth Proportional to 56,127.78, 84,206.27 and 28,046.70

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Solution

The fourth proportional to 56,127.78, 84,206.27 and 28,046.70 is: 42,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.78 : 84,206.27 = 28,046.70 : x
  2. Step 2: Convert to fraction form
    56,127.78/84,206.27 = 28,046.70/x
  3. Step 3: Cross multiply
    56,127.78x = 84,206.27 × 28,046.70
  4. Step 4: Simplify right side
    56,127.78x = 2,361,707,852.58
  5. Step 5: Solve for x
    x = 2,361,707,852.58/56,127.78
  6. Step 6: Final answer
    x = 42,077.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.