Home / 39,309.34-54,251.66-22,318.87

Finding the Fourth Proportional to 39,309.34, 54,251.66 and 22,318.87

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Solution

The fourth proportional to 39,309.34, 54,251.66 and 22,318.87 is: 30,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.34 : 54,251.66 = 22,318.87 : x
  2. Step 2: Convert to fraction form
    39,309.34/54,251.66 = 22,318.87/x
  3. Step 3: Cross multiply
    39,309.34x = 54,251.66 × 22,318.87
  4. Step 4: Simplify right side
    39,309.34x = 1,210,835,666.99
  5. Step 5: Solve for x
    x = 1,210,835,666.99/39,309.34
  6. Step 6: Final answer
    x = 30,802.75

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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.