Home / 58,441.14-87,643.08-18,988.74

Finding the Fourth Proportional to 58,441.14, 87,643.08 and 18,988.74

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Solution

The fourth proportional to 58,441.14, 87,643.08 and 18,988.74 is: 28,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441.14 : 87,643.08 = 18,988.74 : x
  2. Step 2: Convert to fraction form
    58,441.14/87,643.08 = 18,988.74/x
  3. Step 3: Cross multiply
    58,441.14x = 87,643.08 × 18,988.74
  4. Step 4: Simplify right side
    58,441.14x = 1,664,231,658.92
  5. Step 5: Solve for x
    x = 1,664,231,658.92/58,441.14
  6. Step 6: Final answer
    x = 28,477.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.