Home / 60,350.81-90,527.36-20,909.21

Finding the Fourth Proportional to 60,350.81, 90,527.36 and 20,909.21

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Solution

The fourth proportional to 60,350.81, 90,527.36 and 20,909.21 is: 31,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,350.81 : 90,527.36 = 20,909.21 : x
  2. Step 2: Convert to fraction form
    60,350.81/90,527.36 = 20,909.21/x
  3. Step 3: Cross multiply
    60,350.81x = 90,527.36 × 20,909.21
  4. Step 4: Simplify right side
    60,350.81x = 1,892,855,023.80
  5. Step 5: Solve for x
    x = 1,892,855,023.80/60,350.81
  6. Step 6: Final answer
    x = 31,364.21

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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.