Home / 50,071.08-69,101.40-28,851.70

Finding the Fourth Proportional to 50,071.08, 69,101.40 and 28,851.70

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Solution

The fourth proportional to 50,071.08, 69,101.40 and 28,851.70 is: 39,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,071.08 : 69,101.40 = 28,851.70 : x
  2. Step 2: Convert to fraction form
    50,071.08/69,101.40 = 28,851.70/x
  3. Step 3: Cross multiply
    50,071.08x = 69,101.40 × 28,851.70
  4. Step 4: Simplify right side
    50,071.08x = 1,993,692,862.38
  5. Step 5: Solve for x
    x = 1,993,692,862.38/50,071.08
  6. Step 6: Final answer
    x = 39,817.25

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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.