Home / 71,376.38-107,036.88-38,078.27

Finding the Fourth Proportional to 71,376.38, 107,036.88 and 38,078.27

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Solution

The fourth proportional to 71,376.38, 107,036.88 and 38,078.27 is: 57,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,376.38 : 107,036.88 = 38,078.27 : x
  2. Step 2: Convert to fraction form
    71,376.38/107,036.88 = 38,078.27/x
  3. Step 3: Cross multiply
    71,376.38x = 107,036.88 × 38,078.27
  4. Step 4: Simplify right side
    71,376.38x = 4,075,779,216.60
  5. Step 5: Solve for x
    x = 4,075,779,216.60/71,376.38
  6. Step 6: Final answer
    x = 57,102.63

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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.