Home / 42,971.66-64,391.56-17,998.04

Finding the Fourth Proportional to 42,971.66, 64,391.56 and 17,998.04

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Solution

The fourth proportional to 42,971.66, 64,391.56 and 17,998.04 is: 26,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971.66 : 64,391.56 = 17,998.04 : x
  2. Step 2: Convert to fraction form
    42,971.66/64,391.56 = 17,998.04/x
  3. Step 3: Cross multiply
    42,971.66x = 64,391.56 × 17,998.04
  4. Step 4: Simplify right side
    42,971.66x = 1,158,921,988.53
  5. Step 5: Solve for x
    x = 1,158,921,988.53/42,971.66
  6. Step 6: Final answer
    x = 26,969.45

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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.