Home / 42,815.43-59,065.58-27,712.94

Finding the Fourth Proportional to 42,815.43, 59,065.58 and 27,712.94

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Solution

The fourth proportional to 42,815.43, 59,065.58 and 27,712.94 is: 38,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815.43 : 59,065.58 = 27,712.94 : x
  2. Step 2: Convert to fraction form
    42,815.43/59,065.58 = 27,712.94/x
  3. Step 3: Cross multiply
    42,815.43x = 59,065.58 × 27,712.94
  4. Step 4: Simplify right side
    42,815.43x = 1,636,881,091.55
  5. Step 5: Solve for x
    x = 1,636,881,091.55/42,815.43
  6. Step 6: Final answer
    x = 38,231.10

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1.5x scale

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.