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Finding the Fourth Proportional to 34,980.84, 52,471.08 and 14,987.40

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Solution

The fourth proportional to 34,980.84, 52,471.08 and 14,987.40 is: 22,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.84 : 52,471.08 = 14,987.40 : x
  2. Step 2: Convert to fraction form
    34,980.84/52,471.08 = 14,987.40/x
  3. Step 3: Cross multiply
    34,980.84x = 52,471.08 × 14,987.40
  4. Step 4: Simplify right side
    34,980.84x = 786,405,064.39
  5. Step 5: Solve for x
    x = 786,405,064.39/34,980.84
  6. Step 6: Final answer
    x = 22,481.02

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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.