Home / 58,531.94-87,811.90-19,089.10

Finding the Fourth Proportional to 58,531.94, 87,811.90 and 19,089.10

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Solution

The fourth proportional to 58,531.94, 87,811.90 and 19,089.10 is: 28,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.94 : 87,811.90 = 19,089.10 : x
  2. Step 2: Convert to fraction form
    58,531.94/87,811.90 = 19,089.10/x
  3. Step 3: Cross multiply
    58,531.94x = 87,811.90 × 19,089.10
  4. Step 4: Simplify right side
    58,531.94x = 1,676,250,140.29
  5. Step 5: Solve for x
    x = 1,676,250,140.29/58,531.94
  6. Step 6: Final answer
    x = 28,638.21

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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.