Home / 58,316.30-87,477.21-18,876.50

Finding the Fourth Proportional to 58,316.30, 87,477.21 and 18,876.50

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Solution

The fourth proportional to 58,316.30, 87,477.21 and 18,876.50 is: 28,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,316.30 : 87,477.21 = 18,876.50 : x
  2. Step 2: Convert to fraction form
    58,316.30/87,477.21 = 18,876.50/x
  3. Step 3: Cross multiply
    58,316.30x = 87,477.21 × 18,876.50
  4. Step 4: Simplify right side
    58,316.30x = 1,651,263,554.57
  5. Step 5: Solve for x
    x = 1,651,263,554.57/58,316.30
  6. Step 6: Final answer
    x = 28,315.64

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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.