Home / 52,058.46-78,102.28-20,915.58

Finding the Fourth Proportional to 52,058.46, 78,102.28 and 20,915.58

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Solution

The fourth proportional to 52,058.46, 78,102.28 and 20,915.58 is: 31,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,058.46 : 78,102.28 = 20,915.58 : x
  2. Step 2: Convert to fraction form
    52,058.46/78,102.28 = 20,915.58/x
  3. Step 3: Cross multiply
    52,058.46x = 78,102.28 × 20,915.58
  4. Step 4: Simplify right side
    52,058.46x = 1,633,554,485.52
  5. Step 5: Solve for x
    x = 1,633,554,485.52/52,058.46
  6. Step 6: Final answer
    x = 31,379.23

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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.