Home / 40,707.60-61,070.12-12,627.05

Finding the Fourth Proportional to 40,707.60, 61,070.12 and 12,627.05

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Solution

The fourth proportional to 40,707.60, 61,070.12 and 12,627.05 is: 18,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.60 : 61,070.12 = 12,627.05 : x
  2. Step 2: Convert to fraction form
    40,707.60/61,070.12 = 12,627.05/x
  3. Step 3: Cross multiply
    40,707.60x = 61,070.12 × 12,627.05
  4. Step 4: Simplify right side
    40,707.60x = 771,135,090.26
  5. Step 5: Solve for x
    x = 771,135,090.26/40,707.60
  6. Step 6: Final answer
    x = 18,943.27

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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.