Home / 39,419.02-54,457.49-25,839.30

Finding the Fourth Proportional to 39,419.02, 54,457.49 and 25,839.30

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Solution

The fourth proportional to 39,419.02, 54,457.49 and 25,839.30 is: 35,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.02 : 54,457.49 = 25,839.30 : x
  2. Step 2: Convert to fraction form
    39,419.02/54,457.49 = 25,839.30/x
  3. Step 3: Cross multiply
    39,419.02x = 54,457.49 × 25,839.30
  4. Step 4: Simplify right side
    39,419.02x = 1,407,143,421.36
  5. Step 5: Solve for x
    x = 1,407,143,421.36/39,419.02
  6. Step 6: Final answer
    x = 35,697.07

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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.