Home / 39,855.91-55,002.85-22,864.95

Finding the Fourth Proportional to 39,855.91, 55,002.85 and 22,864.95

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Solution

The fourth proportional to 39,855.91, 55,002.85 and 22,864.95 is: 31,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.91 : 55,002.85 = 22,864.95 : x
  2. Step 2: Convert to fraction form
    39,855.91/55,002.85 = 22,864.95/x
  3. Step 3: Cross multiply
    39,855.91x = 55,002.85 × 22,864.95
  4. Step 4: Simplify right side
    39,855.91x = 1,257,637,415.11
  5. Step 5: Solve for x
    x = 1,257,637,415.11/39,855.91
  6. Step 6: Final answer
    x = 31,554.60

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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.