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Finding the Fourth Proportional to 35,671.75, 53,508.13 and 16,953.66

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Solution

The fourth proportional to 35,671.75, 53,508.13 and 16,953.66 is: 25,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,671.75 : 53,508.13 = 16,953.66 : x
  2. Step 2: Convert to fraction form
    35,671.75/53,508.13 = 16,953.66/x
  3. Step 3: Cross multiply
    35,671.75x = 53,508.13 × 16,953.66
  4. Step 4: Simplify right side
    35,671.75x = 907,158,600.87
  5. Step 5: Solve for x
    x = 907,158,600.87/35,671.75
  6. Step 6: Final answer
    x = 25,430.73

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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.