Home / 50,899.19-70,237.55-28,238.13

Finding the Fourth Proportional to 50,899.19, 70,237.55 and 28,238.13

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Solution

The fourth proportional to 50,899.19, 70,237.55 and 28,238.13 is: 38,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,899.19 : 70,237.55 = 28,238.13 : x
  2. Step 2: Convert to fraction form
    50,899.19/70,237.55 = 28,238.13/x
  3. Step 3: Cross multiply
    50,899.19x = 70,237.55 × 28,238.13
  4. Step 4: Simplify right side
    50,899.19x = 1,983,377,138.38
  5. Step 5: Solve for x
    x = 1,983,377,138.38/50,899.19
  6. Step 6: Final answer
    x = 38,966.77

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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.