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Finding the Fourth Proportional to 48,349.81, 72,523.11 and 19,885.78

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Solution

The fourth proportional to 48,349.81, 72,523.11 and 19,885.78 is: 29,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.81 : 72,523.11 = 19,885.78 : x
  2. Step 2: Convert to fraction form
    48,349.81/72,523.11 = 19,885.78/x
  3. Step 3: Cross multiply
    48,349.81x = 72,523.11 × 19,885.78
  4. Step 4: Simplify right side
    48,349.81x = 1,442,178,403.84
  5. Step 5: Solve for x
    x = 1,442,178,403.84/48,349.81
  6. Step 6: Final answer
    x = 29,828.00

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1.5x scale

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.