Home / 50,688.38-69,943.85-28,024.31

Finding the Fourth Proportional to 50,688.38, 69,943.85 and 28,024.31

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Solution

The fourth proportional to 50,688.38, 69,943.85 and 28,024.31 is: 38,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.38 : 69,943.85 = 28,024.31 : x
  2. Step 2: Convert to fraction form
    50,688.38/69,943.85 = 28,024.31/x
  3. Step 3: Cross multiply
    50,688.38x = 69,943.85 × 28,024.31
  4. Step 4: Simplify right side
    50,688.38x = 1,960,128,134.99
  5. Step 5: Solve for x
    x = 1,960,128,134.99/50,688.38
  6. Step 6: Final answer
    x = 38,670.17

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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.