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Finding the Fourth Proportional to 35,341.70, 53,019.05 and 11,650.66

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Solution

The fourth proportional to 35,341.70, 53,019.05 and 11,650.66 is: 17,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.70 : 53,019.05 = 11,650.66 : x
  2. Step 2: Convert to fraction form
    35,341.70/53,019.05 = 11,650.66/x
  3. Step 3: Cross multiply
    35,341.70x = 53,019.05 × 11,650.66
  4. Step 4: Simplify right side
    35,341.70x = 617,706,734.27
  5. Step 5: Solve for x
    x = 617,706,734.27/35,341.70
  6. Step 6: Final answer
    x = 17,478.13

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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.