Home / 50,020.34-69,018.50-28,509.66

Finding the Fourth Proportional to 50,020.34, 69,018.50 and 28,509.66

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Solution

The fourth proportional to 50,020.34, 69,018.50 and 28,509.66 is: 39,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,020.34 : 69,018.50 = 28,509.66 : x
  2. Step 2: Convert to fraction form
    50,020.34/69,018.50 = 28,509.66/x
  3. Step 3: Cross multiply
    50,020.34x = 69,018.50 × 28,509.66
  4. Step 4: Simplify right side
    50,020.34x = 1,967,693,826.16
  5. Step 5: Solve for x
    x = 1,967,693,826.16/50,020.34
  6. Step 6: Final answer
    x = 39,337.88

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Double scale
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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.