Home / 51,033.78-70,424.49-28,374.41

Finding the Fourth Proportional to 51,033.78, 70,424.49 and 28,374.41

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Solution

The fourth proportional to 51,033.78, 70,424.49 and 28,374.41 is: 39,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,033.78 : 70,424.49 = 28,374.41 : x
  2. Step 2: Convert to fraction form
    51,033.78/70,424.49 = 28,374.41/x
  3. Step 3: Cross multiply
    51,033.78x = 70,424.49 × 28,374.41
  4. Step 4: Simplify right side
    51,033.78x = 1,998,253,001.18
  5. Step 5: Solve for x
    x = 1,998,253,001.18/51,033.78
  6. Step 6: Final answer
    x = 39,155.50

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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.