Home / 32,688.51-49,024.11-8,990.43

Finding the Fourth Proportional to 32,688.51, 49,024.11 and 8,990.43

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Solution

The fourth proportional to 32,688.51, 49,024.11 and 8,990.43 is: 13,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.51 : 49,024.11 = 8,990.43 : x
  2. Step 2: Convert to fraction form
    32,688.51/49,024.11 = 8,990.43/x
  3. Step 3: Cross multiply
    32,688.51x = 49,024.11 × 8,990.43
  4. Step 4: Simplify right side
    32,688.51x = 440,747,829.27
  5. Step 5: Solve for x
    x = 440,747,829.27/32,688.51
  6. Step 6: Final answer
    x = 13,483.26

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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.