Home / 39,652.05-54,715.46-21,746.90

Finding the Fourth Proportional to 39,652.05, 54,715.46 and 21,746.90

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Solution

The fourth proportional to 39,652.05, 54,715.46 and 21,746.90 is: 30,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.05 : 54,715.46 = 21,746.90 : x
  2. Step 2: Convert to fraction form
    39,652.05/54,715.46 = 21,746.90/x
  3. Step 3: Cross multiply
    39,652.05x = 54,715.46 × 21,746.90
  4. Step 4: Simplify right side
    39,652.05x = 1,189,891,637.07
  5. Step 5: Solve for x
    x = 1,189,891,637.07/39,652.05
  6. Step 6: Final answer
    x = 30,008.33

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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.