Home / 46,273.20-69,389.28-21,307.20

Finding the Fourth Proportional to 46,273.20, 69,389.28 and 21,307.20

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Solution

The fourth proportional to 46,273.20, 69,389.28 and 21,307.20 is: 31,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,273.20 : 69,389.28 = 21,307.20 : x
  2. Step 2: Convert to fraction form
    46,273.20/69,389.28 = 21,307.20/x
  3. Step 3: Cross multiply
    46,273.20x = 69,389.28 × 21,307.20
  4. Step 4: Simplify right side
    46,273.20x = 1,478,491,266.82
  5. Step 5: Solve for x
    x = 1,478,491,266.82/46,273.20
  6. Step 6: Final answer
    x = 31,951.35

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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.