Home / 35,371.02-48,818.93-20,273.79

Finding the Fourth Proportional to 35,371.02, 48,818.93 and 20,273.79

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Solution

The fourth proportional to 35,371.02, 48,818.93 and 20,273.79 is: 27,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.02 : 48,818.93 = 20,273.79 : x
  2. Step 2: Convert to fraction form
    35,371.02/48,818.93 = 20,273.79/x
  3. Step 3: Cross multiply
    35,371.02x = 48,818.93 × 20,273.79
  4. Step 4: Simplify right side
    35,371.02x = 989,744,633.48
  5. Step 5: Solve for x
    x = 989,744,633.48/35,371.02
  6. Step 6: Final answer
    x = 27,981.80

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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.