Home / 60,354.81-90,532.33-20,911.96

Finding the Fourth Proportional to 60,354.81, 90,532.33 and 20,911.96

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Solution

The fourth proportional to 60,354.81, 90,532.33 and 20,911.96 is: 31,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,354.81 : 90,532.33 = 20,911.96 : x
  2. Step 2: Convert to fraction form
    60,354.81/90,532.33 = 20,911.96/x
  3. Step 3: Cross multiply
    60,354.81x = 90,532.33 × 20,911.96
  4. Step 4: Simplify right side
    60,354.81x = 1,893,208,524.55
  5. Step 5: Solve for x
    x = 1,893,208,524.55/60,354.81
  6. Step 6: Final answer
    x = 31,367.98

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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.