Home / 60,144.04-90,215.11-20,701.50

Finding the Fourth Proportional to 60,144.04, 90,215.11 and 20,701.50

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Solution

The fourth proportional to 60,144.04, 90,215.11 and 20,701.50 is: 31,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.04 : 90,215.11 = 20,701.50 : x
  2. Step 2: Convert to fraction form
    60,144.04/90,215.11 = 20,701.50/x
  3. Step 3: Cross multiply
    60,144.04x = 90,215.11 × 20,701.50
  4. Step 4: Simplify right side
    60,144.04x = 1,867,588,099.67
  5. Step 5: Solve for x
    x = 1,867,588,099.67/60,144.04
  6. Step 6: Final answer
    x = 31,051.92

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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.