Home / 39,322.12-54,264.25-21,417.07

Finding the Fourth Proportional to 39,322.12, 54,264.25 and 21,417.07

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Solution

The fourth proportional to 39,322.12, 54,264.25 and 21,417.07 is: 29,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.12 : 54,264.25 = 21,417.07 : x
  2. Step 2: Convert to fraction form
    39,322.12/54,264.25 = 21,417.07/x
  3. Step 3: Cross multiply
    39,322.12x = 54,264.25 × 21,417.07
  4. Step 4: Simplify right side
    39,322.12x = 1,162,181,240.75
  5. Step 5: Solve for x
    x = 1,162,181,240.75/39,322.12
  6. Step 6: Final answer
    x = 29,555.41

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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.