Home / 35,689.60-49,252.62-19,775.80

Finding the Fourth Proportional to 35,689.60, 49,252.62 and 19,775.80

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Solution

The fourth proportional to 35,689.60, 49,252.62 and 19,775.80 is: 27,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.60 : 49,252.62 = 19,775.80 : x
  2. Step 2: Convert to fraction form
    35,689.60/49,252.62 = 19,775.80/x
  3. Step 3: Cross multiply
    35,689.60x = 49,252.62 × 19,775.80
  4. Step 4: Simplify right side
    35,689.60x = 974,009,962.60
  5. Step 5: Solve for x
    x = 974,009,962.60/35,689.60
  6. Step 6: Final answer
    x = 27,291.14

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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.