Home / 35,378.01-48,821.65-21,230.87

Finding the Fourth Proportional to 35,378.01, 48,821.65 and 21,230.87

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Solution

The fourth proportional to 35,378.01, 48,821.65 and 21,230.87 is: 29,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.01 : 48,821.65 = 21,230.87 : x
  2. Step 2: Convert to fraction form
    35,378.01/48,821.65 = 21,230.87/x
  3. Step 3: Cross multiply
    35,378.01x = 48,821.65 × 21,230.87
  4. Step 4: Simplify right side
    35,378.01x = 1,036,525,807.15
  5. Step 5: Solve for x
    x = 1,036,525,807.15/35,378.01
  6. Step 6: Final answer
    x = 29,298.59

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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.