Home / 50,751.83-76,120.18-13,312.55

Finding the Fourth Proportional to 50,751.83, 76,120.18 and 13,312.55

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Solution

The fourth proportional to 50,751.83, 76,120.18 and 13,312.55 is: 19,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.83 : 76,120.18 = 13,312.55 : x
  2. Step 2: Convert to fraction form
    50,751.83/76,120.18 = 13,312.55/x
  3. Step 3: Cross multiply
    50,751.83x = 76,120.18 × 13,312.55
  4. Step 4: Simplify right side
    50,751.83x = 1,013,353,702.26
  5. Step 5: Solve for x
    x = 1,013,353,702.26/50,751.83
  6. Step 6: Final answer
    x = 19,966.84

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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.