Home / 52,815.11-72,884.84-31,599.36

Finding the Fourth Proportional to 52,815.11, 72,884.84 and 31,599.36

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Solution

The fourth proportional to 52,815.11, 72,884.84 and 31,599.36 is: 43,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.11 : 72,884.84 = 31,599.36 : x
  2. Step 2: Convert to fraction form
    52,815.11/72,884.84 = 31,599.36/x
  3. Step 3: Cross multiply
    52,815.11x = 72,884.84 × 31,599.36
  4. Step 4: Simplify right side
    52,815.11x = 2,303,114,139.71
  5. Step 5: Solve for x
    x = 2,303,114,139.71/52,815.11
  6. Step 6: Final answer
    x = 43,607.11

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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.