Home / 63,421.12-87,522.18-34,740.28

Finding the Fourth Proportional to 63,421.12, 87,522.18 and 34,740.28

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Solution

The fourth proportional to 63,421.12, 87,522.18 and 34,740.28 is: 47,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.12 : 87,522.18 = 34,740.28 : x
  2. Step 2: Convert to fraction form
    63,421.12/87,522.18 = 34,740.28/x
  3. Step 3: Cross multiply
    63,421.12x = 87,522.18 × 34,740.28
  4. Step 4: Simplify right side
    63,421.12x = 3,040,545,039.41
  5. Step 5: Solve for x
    x = 3,040,545,039.41/63,421.12
  6. Step 6: Final answer
    x = 47,942.15

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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.