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Finding the Fourth Proportional to 34,712.79, 52,069.35 and 8,417.53

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Solution

The fourth proportional to 34,712.79, 52,069.35 and 8,417.53 is: 12,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,712.79 : 52,069.35 = 8,417.53 : x
  2. Step 2: Convert to fraction form
    34,712.79/52,069.35 = 8,417.53/x
  3. Step 3: Cross multiply
    34,712.79x = 52,069.35 × 8,417.53
  4. Step 4: Simplify right side
    34,712.79x = 438,295,412.36
  5. Step 5: Solve for x
    x = 438,295,412.36/34,712.79
  6. Step 6: Final answer
    x = 12,626.34

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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.