Home / 36,129.16-54,211.02-12,766.60

Finding the Fourth Proportional to 36,129.16, 54,211.02 and 12,766.60

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Solution

The fourth proportional to 36,129.16, 54,211.02 and 12,766.60 is: 19,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.16 : 54,211.02 = 12,766.60 : x
  2. Step 2: Convert to fraction form
    36,129.16/54,211.02 = 12,766.60/x
  3. Step 3: Cross multiply
    36,129.16x = 54,211.02 × 12,766.60
  4. Step 4: Simplify right side
    36,129.16x = 692,090,407.93
  5. Step 5: Solve for x
    x = 692,090,407.93/36,129.16
  6. Step 6: Final answer
    x = 19,156.01

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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.