Home / 39,041.29-53,877.41-21,136.68

Finding the Fourth Proportional to 39,041.29, 53,877.41 and 21,136.68

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Solution

The fourth proportional to 39,041.29, 53,877.41 and 21,136.68 is: 29,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,041.29 : 53,877.41 = 21,136.68 : x
  2. Step 2: Convert to fraction form
    39,041.29/53,877.41 = 21,136.68/x
  3. Step 3: Cross multiply
    39,041.29x = 53,877.41 × 21,136.68
  4. Step 4: Simplify right side
    39,041.29x = 1,138,789,574.40
  5. Step 5: Solve for x
    x = 1,138,789,574.40/39,041.29
  6. Step 6: Final answer
    x = 29,168.85

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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.