Home / 69,036.30-103,554.45-38,068.38

Finding the Fourth Proportional to 69,036.30, 103,554.45 and 38,068.38

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Solution

The fourth proportional to 69,036.30, 103,554.45 and 38,068.38 is: 57,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.30 : 103,554.45 = 38,068.38 : x
  2. Step 2: Convert to fraction form
    69,036.30/103,554.45 = 38,068.38/x
  3. Step 3: Cross multiply
    69,036.30x = 103,554.45 × 38,068.38
  4. Step 4: Simplify right side
    69,036.30x = 3,942,150,153.29
  5. Step 5: Solve for x
    x = 3,942,150,153.29/69,036.30
  6. Step 6: Final answer
    x = 57,102.57

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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.