Home / 34,280.10-51,420.15-10,908.90

Finding the Fourth Proportional to 34,280.10, 51,420.15 and 10,908.90

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Solution

The fourth proportional to 34,280.10, 51,420.15 and 10,908.90 is: 16,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.10 : 51,420.15 = 10,908.90 : x
  2. Step 2: Convert to fraction form
    34,280.10/51,420.15 = 10,908.90/x
  3. Step 3: Cross multiply
    34,280.10x = 51,420.15 × 10,908.90
  4. Step 4: Simplify right side
    34,280.10x = 560,937,274.34
  5. Step 5: Solve for x
    x = 560,937,274.34/34,280.10
  6. Step 6: Final answer
    x = 16,363.35

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1.5x scale

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.