Home / 42,837.40-64,278.96-17,894.44

Finding the Fourth Proportional to 42,837.40, 64,278.96 and 17,894.44

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Solution

The fourth proportional to 42,837.40, 64,278.96 and 17,894.44 is: 26,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.40 : 64,278.96 = 17,894.44 : x
  2. Step 2: Convert to fraction form
    42,837.40/64,278.96 = 17,894.44/x
  3. Step 3: Cross multiply
    42,837.40x = 64,278.96 × 17,894.44
  4. Step 4: Simplify right side
    42,837.40x = 1,150,235,992.98
  5. Step 5: Solve for x
    x = 1,150,235,992.98/42,837.40
  6. Step 6: Final answer
    x = 26,851.21

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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.