Home / 52,113.57-78,170.35-12,670.41

Finding the Fourth Proportional to 52,113.57, 78,170.35 and 12,670.41

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Solution

The fourth proportional to 52,113.57, 78,170.35 and 12,670.41 is: 19,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.57 : 78,170.35 = 12,670.41 : x
  2. Step 2: Convert to fraction form
    52,113.57/78,170.35 = 12,670.41/x
  3. Step 3: Cross multiply
    52,113.57x = 78,170.35 × 12,670.41
  4. Step 4: Simplify right side
    52,113.57x = 990,450,384.34
  5. Step 5: Solve for x
    x = 990,450,384.34/52,113.57
  6. Step 6: Final answer
    x = 19,005.61

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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.