Home / 52,815.13-72,884.88-30,459.13

Finding the Fourth Proportional to 52,815.13, 72,884.88 and 30,459.13

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Solution

The fourth proportional to 52,815.13, 72,884.88 and 30,459.13 is: 42,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.13 : 72,884.88 = 30,459.13 : x
  2. Step 2: Convert to fraction form
    52,815.13/72,884.88 = 30,459.13/x
  3. Step 3: Cross multiply
    52,815.13x = 72,884.88 × 30,459.13
  4. Step 4: Simplify right side
    52,815.13x = 2,220,009,518.23
  5. Step 5: Solve for x
    x = 2,220,009,518.23/52,815.13
  6. Step 6: Final answer
    x = 42,033.59

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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.