Home / 35,377.89-48,821.47-21,230.74

Finding the Fourth Proportional to 35,377.89, 48,821.47 and 21,230.74

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Solution

The fourth proportional to 35,377.89, 48,821.47 and 21,230.74 is: 29,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.89 : 48,821.47 = 21,230.74 : x
  2. Step 2: Convert to fraction form
    35,377.89/48,821.47 = 21,230.74/x
  3. Step 3: Cross multiply
    35,377.89x = 48,821.47 × 21,230.74
  4. Step 4: Simplify right side
    35,377.89x = 1,036,515,935.99
  5. Step 5: Solve for x
    x = 1,036,515,935.99/35,377.89
  6. Step 6: Final answer
    x = 29,298.41

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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.