Home / 46,320.30-69,426.81-21,307.86

Finding the Fourth Proportional to 46,320.30, 69,426.81 and 21,307.86

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Solution

The fourth proportional to 46,320.30, 69,426.81 and 21,307.86 is: 31,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,320.30 : 69,426.81 = 21,307.86 : x
  2. Step 2: Convert to fraction form
    46,320.30/69,426.81 = 21,307.86/x
  3. Step 3: Cross multiply
    46,320.30x = 69,426.81 × 21,307.86
  4. Step 4: Simplify right side
    46,320.30x = 1,479,336,747.73
  5. Step 5: Solve for x
    x = 1,479,336,747.73/46,320.30
  6. Step 6: Final answer
    x = 31,937.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.