Home / 38,948.04-53,768.94-31,207.05

Finding the Fourth Proportional to 38,948.04, 53,768.94 and 31,207.05

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Solution

The fourth proportional to 38,948.04, 53,768.94 and 31,207.05 is: 43,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.04 : 53,768.94 = 31,207.05 : x
  2. Step 2: Convert to fraction form
    38,948.04/53,768.94 = 31,207.05/x
  3. Step 3: Cross multiply
    38,948.04x = 53,768.94 × 31,207.05
  4. Step 4: Simplify right side
    38,948.04x = 1,677,969,999.03
  5. Step 5: Solve for x
    x = 1,677,969,999.03/38,948.04
  6. Step 6: Final answer
    x = 43,082.27

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1.5x scale

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.