Home / 29,639.10-40,903.06-16,209.56

Finding the Fourth Proportional to 29,639.10, 40,903.06 and 16,209.56

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Solution

The fourth proportional to 29,639.10, 40,903.06 and 16,209.56 is: 22,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.10 : 40,903.06 = 16,209.56 : x
  2. Step 2: Convert to fraction form
    29,639.10/40,903.06 = 16,209.56/x
  3. Step 3: Cross multiply
    29,639.10x = 40,903.06 × 16,209.56
  4. Step 4: Simplify right side
    29,639.10x = 663,020,605.25
  5. Step 5: Solve for x
    x = 663,020,605.25/29,639.10
  6. Step 6: Final answer
    x = 22,369.80

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1.5x scale

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.