Home / 39,330.92-54,275.00-21,426.06

Finding the Fourth Proportional to 39,330.92, 54,275.00 and 21,426.06

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Solution

The fourth proportional to 39,330.92, 54,275.00 and 21,426.06 is: 29,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.92 : 54,275.00 = 21,426.06 : x
  2. Step 2: Convert to fraction form
    39,330.92/54,275.00 = 21,426.06/x
  3. Step 3: Cross multiply
    39,330.92x = 54,275.00 × 21,426.06
  4. Step 4: Simplify right side
    39,330.92x = 1,162,899,299.37
  5. Step 5: Solve for x
    x = 1,162,899,299.37/39,330.92
  6. Step 6: Final answer
    x = 29,567.05

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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.