Home / 52,053.29-78,079.71-12,610.34

Finding the Fourth Proportional to 52,053.29, 78,079.71 and 12,610.34

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Solution

The fourth proportional to 52,053.29, 78,079.71 and 12,610.34 is: 18,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.29 : 78,079.71 = 12,610.34 : x
  2. Step 2: Convert to fraction form
    52,053.29/78,079.71 = 12,610.34/x
  3. Step 3: Cross multiply
    52,053.29x = 78,079.71 × 12,610.34
  4. Step 4: Simplify right side
    52,053.29x = 984,611,299.80
  5. Step 5: Solve for x
    x = 984,611,299.80/52,053.29
  6. Step 6: Final answer
    x = 18,915.45

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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.