Home / 67,237.02-100,870.79-20,486.25

Finding the Fourth Proportional to 67,237.02, 100,870.79 and 20,486.25

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Solution

The fourth proportional to 67,237.02, 100,870.79 and 20,486.25 is: 30,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,237.02 : 100,870.79 = 20,486.25 : x
  2. Step 2: Convert to fraction form
    67,237.02/100,870.79 = 20,486.25/x
  3. Step 3: Cross multiply
    67,237.02x = 100,870.79 × 20,486.25
  4. Step 4: Simplify right side
    67,237.02x = 2,066,464,119.21
  5. Step 5: Solve for x
    x = 2,066,464,119.21/67,237.02
  6. Step 6: Final answer
    x = 30,734.02

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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.