Home / 60,606.08-90,950.60-21,163.20

Finding the Fourth Proportional to 60,606.08, 90,950.60 and 21,163.20

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Solution

The fourth proportional to 60,606.08, 90,950.60 and 21,163.20 is: 31,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.08 : 90,950.60 = 21,163.20 : x
  2. Step 2: Convert to fraction form
    60,606.08/90,950.60 = 21,163.20/x
  3. Step 3: Cross multiply
    60,606.08x = 90,950.60 × 21,163.20
  4. Step 4: Simplify right side
    60,606.08x = 1,924,805,737.92
  5. Step 5: Solve for x
    x = 1,924,805,737.92/60,606.08
  6. Step 6: Final answer
    x = 31,759.28

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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.