Home / 42,969.16-64,377.45-17,954.14

Finding the Fourth Proportional to 42,969.16, 64,377.45 and 17,954.14

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Solution

The fourth proportional to 42,969.16, 64,377.45 and 17,954.14 is: 26,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,969.16 : 64,377.45 = 17,954.14 : x
  2. Step 2: Convert to fraction form
    42,969.16/64,377.45 = 17,954.14/x
  3. Step 3: Cross multiply
    42,969.16x = 64,377.45 × 17,954.14
  4. Step 4: Simplify right side
    42,969.16x = 1,155,841,750.14
  5. Step 5: Solve for x
    x = 1,155,841,750.14/42,969.16
  6. Step 6: Final answer
    x = 26,899.33

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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.