Home / 39,322.88-54,266.19-21,417.87

Finding the Fourth Proportional to 39,322.88, 54,266.19 and 21,417.87

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Solution

The fourth proportional to 39,322.88, 54,266.19 and 21,417.87 is: 29,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.88 : 54,266.19 = 21,417.87 : x
  2. Step 2: Convert to fraction form
    39,322.88/54,266.19 = 21,417.87/x
  3. Step 3: Cross multiply
    39,322.88x = 54,266.19 × 21,417.87
  4. Step 4: Simplify right side
    39,322.88x = 1,162,266,202.82
  5. Step 5: Solve for x
    x = 1,162,266,202.82/39,322.88
  6. Step 6: Final answer
    x = 29,557.00

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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.