Home / 32,916.90-49,311.20-21,790.46

Finding the Fourth Proportional to 32,916.90, 49,311.20 and 21,790.46

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Solution

The fourth proportional to 32,916.90, 49,311.20 and 21,790.46 is: 32,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916.90 : 49,311.20 = 21,790.46 : x
  2. Step 2: Convert to fraction form
    32,916.90/49,311.20 = 21,790.46/x
  3. Step 3: Cross multiply
    32,916.90x = 49,311.20 × 21,790.46
  4. Step 4: Simplify right side
    32,916.90x = 1,074,513,731.15
  5. Step 5: Solve for x
    x = 1,074,513,731.15/32,916.90
  6. Step 6: Final answer
    x = 32,643.22

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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.