Home / 35,376.19-48,826.12-20,278.98

Finding the Fourth Proportional to 35,376.19, 48,826.12 and 20,278.98

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Solution

The fourth proportional to 35,376.19, 48,826.12 and 20,278.98 is: 27,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,376.19 : 48,826.12 = 20,278.98 : x
  2. Step 2: Convert to fraction form
    35,376.19/48,826.12 = 20,278.98/x
  3. Step 3: Cross multiply
    35,376.19x = 48,826.12 × 20,278.98
  4. Step 4: Simplify right side
    35,376.19x = 990,143,978.57
  5. Step 5: Solve for x
    x = 990,143,978.57/35,376.19
  6. Step 6: Final answer
    x = 27,988.99

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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.