Home / 52,073.71-78,110.55-12,630.82

Finding the Fourth Proportional to 52,073.71, 78,110.55 and 12,630.82

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Solution

The fourth proportional to 52,073.71, 78,110.55 and 12,630.82 is: 18,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.71 : 78,110.55 = 12,630.82 : x
  2. Step 2: Convert to fraction form
    52,073.71/78,110.55 = 12,630.82/x
  3. Step 3: Cross multiply
    52,073.71x = 78,110.55 × 12,630.82
  4. Step 4: Simplify right side
    52,073.71x = 986,600,297.15
  5. Step 5: Solve for x
    x = 986,600,297.15/52,073.71
  6. Step 6: Final answer
    x = 18,946.23

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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.