Home / 37,047.75-51,125.90-20,280.75

Finding the Fourth Proportional to 37,047.75, 51,125.90 and 20,280.75

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Solution

The fourth proportional to 37,047.75, 51,125.90 and 20,280.75 is: 27,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.75 : 51,125.90 = 20,280.75 : x
  2. Step 2: Convert to fraction form
    37,047.75/51,125.90 = 20,280.75/x
  3. Step 3: Cross multiply
    37,047.75x = 51,125.90 × 20,280.75
  4. Step 4: Simplify right side
    37,047.75x = 1,036,871,495.02
  5. Step 5: Solve for x
    x = 1,036,871,495.02/37,047.75
  6. Step 6: Final answer
    x = 27,987.44

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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.