Home / 58,440.46-87,669.92-18,988.36

Finding the Fourth Proportional to 58,440.46, 87,669.92 and 18,988.36

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Solution

The fourth proportional to 58,440.46, 87,669.92 and 18,988.36 is: 28,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440.46 : 87,669.92 = 18,988.36 : x
  2. Step 2: Convert to fraction form
    58,440.46/87,669.92 = 18,988.36/x
  3. Step 3: Cross multiply
    58,440.46x = 87,669.92 × 18,988.36
  4. Step 4: Simplify right side
    58,440.46x = 1,664,708,002.13
  5. Step 5: Solve for x
    x = 1,664,708,002.13/58,440.46
  6. Step 6: Final answer
    x = 28,485.54

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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.