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Finding the Fourth Proportional to 35,151.98, 48,501.99 and 20,040.35

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Solution

The fourth proportional to 35,151.98, 48,501.99 and 20,040.35 is: 27,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.98 : 48,501.99 = 20,040.35 : x
  2. Step 2: Convert to fraction form
    35,151.98/48,501.99 = 20,040.35/x
  3. Step 3: Cross multiply
    35,151.98x = 48,501.99 × 20,040.35
  4. Step 4: Simplify right side
    35,151.98x = 971,996,612.79
  5. Step 5: Solve for x
    x = 971,996,612.79/35,151.98
  6. Step 6: Final answer
    x = 27,651.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.