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Finding the Fourth Proportional to 48,307.32, 72,491.76 and 22,014.72

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Solution

The fourth proportional to 48,307.32, 72,491.76 and 22,014.72 is: 33,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.32 : 72,491.76 = 22,014.72 : x
  2. Step 2: Convert to fraction form
    48,307.32/72,491.76 = 22,014.72/x
  3. Step 3: Cross multiply
    48,307.32x = 72,491.76 × 22,014.72
  4. Step 4: Simplify right side
    48,307.32x = 1,595,885,798.71
  5. Step 5: Solve for x
    x = 1,595,885,798.71/48,307.32
  6. Step 6: Final answer
    x = 33,036.11

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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.