Home / 39,364.24-54,396.84-31,046.80

Finding the Fourth Proportional to 39,364.24, 54,396.84 and 31,046.80

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Solution

The fourth proportional to 39,364.24, 54,396.84 and 31,046.80 is: 42,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.24 : 54,396.84 = 31,046.80 : x
  2. Step 2: Convert to fraction form
    39,364.24/54,396.84 = 31,046.80/x
  3. Step 3: Cross multiply
    39,364.24x = 54,396.84 × 31,046.80
  4. Step 4: Simplify right side
    39,364.24x = 1,688,847,812.11
  5. Step 5: Solve for x
    x = 1,688,847,812.11/39,364.24
  6. Step 6: Final answer
    x = 42,903.10

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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.