Home / 39,368.36-54,328.50-25,229.40

Finding the Fourth Proportional to 39,368.36, 54,328.50 and 25,229.40

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Solution

The fourth proportional to 39,368.36, 54,328.50 and 25,229.40 is: 34,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368.36 : 54,328.50 = 25,229.40 : x
  2. Step 2: Convert to fraction form
    39,368.36/54,328.50 = 25,229.40/x
  3. Step 3: Cross multiply
    39,368.36x = 54,328.50 × 25,229.40
  4. Step 4: Simplify right side
    39,368.36x = 1,370,675,457.90
  5. Step 5: Solve for x
    x = 1,370,675,457.90/39,368.36
  6. Step 6: Final answer
    x = 34,816.68

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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.