Home / 47,988.09-66,223.12-26,478.03

Finding the Fourth Proportional to 47,988.09, 66,223.12 and 26,478.03

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Solution

The fourth proportional to 47,988.09, 66,223.12 and 26,478.03 is: 36,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.09 : 66,223.12 = 26,478.03 : x
  2. Step 2: Convert to fraction form
    47,988.09/66,223.12 = 26,478.03/x
  3. Step 3: Cross multiply
    47,988.09x = 66,223.12 × 26,478.03
  4. Step 4: Simplify right side
    47,988.09x = 1,753,457,758.05
  5. Step 5: Solve for x
    x = 1,753,457,758.05/47,988.09
  6. Step 6: Final answer
    x = 36,539.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.