Home / 90,637.24-135,975.28-38,016.40

Finding the Fourth Proportional to 90,637.24, 135,975.28 and 38,016.40

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Solution

The fourth proportional to 90,637.24, 135,975.28 and 38,016.40 is: 57,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.24 : 135,975.28 = 38,016.40 : x
  2. Step 2: Convert to fraction form
    90,637.24/135,975.28 = 38,016.40/x
  3. Step 3: Cross multiply
    90,637.24x = 135,975.28 × 38,016.40
  4. Step 4: Simplify right side
    90,637.24x = 5,169,290,634.59
  5. Step 5: Solve for x
    x = 5,169,290,634.59/90,637.24
  6. Step 6: Final answer
    x = 57,032.75

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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.