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Finding the Fourth Proportional to 34,859.64, 52,289.36 and 9,899.72

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Solution

The fourth proportional to 34,859.64, 52,289.36 and 9,899.72 is: 14,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.64 : 52,289.36 = 9,899.72 : x
  2. Step 2: Convert to fraction form
    34,859.64/52,289.36 = 9,899.72/x
  3. Step 3: Cross multiply
    34,859.64x = 52,289.36 × 9,899.72
  4. Step 4: Simplify right side
    34,859.64x = 517,650,022.98
  5. Step 5: Solve for x
    x = 517,650,022.98/34,859.64
  6. Step 6: Final answer
    x = 14,849.55

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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.