Home / 39,606.66-54,658.71-21,702.42

Finding the Fourth Proportional to 39,606.66, 54,658.71 and 21,702.42

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Solution

The fourth proportional to 39,606.66, 54,658.71 and 21,702.42 is: 29,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,606.66 : 54,658.71 = 21,702.42 : x
  2. Step 2: Convert to fraction form
    39,606.66/54,658.71 = 21,702.42/x
  3. Step 3: Cross multiply
    39,606.66x = 54,658.71 × 21,702.42
  4. Step 4: Simplify right side
    39,606.66x = 1,186,226,281.08
  5. Step 5: Solve for x
    x = 1,186,226,281.08/39,606.66
  6. Step 6: Final answer
    x = 29,950.17

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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.