Home / 35,758.12-53,637.22-18,240.25

Finding the Fourth Proportional to 35,758.12, 53,637.22 and 18,240.25

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Solution

The fourth proportional to 35,758.12, 53,637.22 and 18,240.25 is: 27,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758.12 : 53,637.22 = 18,240.25 : x
  2. Step 2: Convert to fraction form
    35,758.12/53,637.22 = 18,240.25/x
  3. Step 3: Cross multiply
    35,758.12x = 53,637.22 × 18,240.25
  4. Step 4: Simplify right side
    35,758.12x = 978,356,302.11
  5. Step 5: Solve for x
    x = 978,356,302.11/35,758.12
  6. Step 6: Final answer
    x = 27,360.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.