Home / 39,158.00-54,038.08-21,252.99

Finding the Fourth Proportional to 39,158.00, 54,038.08 and 21,252.99

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Solution

The fourth proportional to 39,158.00, 54,038.08 and 21,252.99 is: 29,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.00 : 54,038.08 = 21,252.99 : x
  2. Step 2: Convert to fraction form
    39,158.00/54,038.08 = 21,252.99/x
  3. Step 3: Cross multiply
    39,158.00x = 54,038.08 × 21,252.99
  4. Step 4: Simplify right side
    39,158.00x = 1,148,471,003.07
  5. Step 5: Solve for x
    x = 1,148,471,003.07/39,158.00
  6. Step 6: Final answer
    x = 29,329.15

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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.