Home / 50,688.30-69,948.60-28,026.69

Finding the Fourth Proportional to 50,688.30, 69,948.60 and 28,026.69

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Solution

The fourth proportional to 50,688.30, 69,948.60 and 28,026.69 is: 38,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.30 : 69,948.60 = 28,026.69 : x
  2. Step 2: Convert to fraction form
    50,688.30/69,948.60 = 28,026.69/x
  3. Step 3: Cross multiply
    50,688.30x = 69,948.60 × 28,026.69
  4. Step 4: Simplify right side
    50,688.30x = 1,960,427,728.13
  5. Step 5: Solve for x
    x = 1,960,427,728.13/50,688.30
  6. Step 6: Final answer
    x = 38,676.14

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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.