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Finding the Fourth Proportional to 34,398.84, 51,598.34 and 9,439.22

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Solution

The fourth proportional to 34,398.84, 51,598.34 and 9,439.22 is: 14,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,398.84 : 51,598.34 = 9,439.22 : x
  2. Step 2: Convert to fraction form
    34,398.84/51,598.34 = 9,439.22/x
  3. Step 3: Cross multiply
    34,398.84x = 51,598.34 × 9,439.22
  4. Step 4: Simplify right side
    34,398.84x = 487,048,082.89
  5. Step 5: Solve for x
    x = 487,048,082.89/34,398.84
  6. Step 6: Final answer
    x = 14,158.85

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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.