Home / 42,610.96-63,916.10-12,627.19

Finding the Fourth Proportional to 42,610.96, 63,916.10 and 12,627.19

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Solution

The fourth proportional to 42,610.96, 63,916.10 and 12,627.19 is: 18,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.96 : 63,916.10 = 12,627.19 : x
  2. Step 2: Convert to fraction form
    42,610.96/63,916.10 = 12,627.19/x
  3. Step 3: Cross multiply
    42,610.96x = 63,916.10 × 12,627.19
  4. Step 4: Simplify right side
    42,610.96x = 807,080,820.63
  5. Step 5: Solve for x
    x = 807,080,820.63/42,610.96
  6. Step 6: Final answer
    x = 18,940.69

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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.