Home / 35,502.27-48,991.47-20,384.31

Finding the Fourth Proportional to 35,502.27, 48,991.47 and 20,384.31

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Solution

The fourth proportional to 35,502.27, 48,991.47 and 20,384.31 is: 28,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,502.27 : 48,991.47 = 20,384.31 : x
  2. Step 2: Convert to fraction form
    35,502.27/48,991.47 = 20,384.31/x
  3. Step 3: Cross multiply
    35,502.27x = 48,991.47 × 20,384.31
  4. Step 4: Simplify right side
    35,502.27x = 998,657,311.84
  5. Step 5: Solve for x
    x = 998,657,311.84/35,502.27
  6. Step 6: Final answer
    x = 28,129.39

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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.