Home / 34,332.96-47,372.64-20,895.21

Finding the Fourth Proportional to 34,332.96, 47,372.64 and 20,895.21

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Solution

The fourth proportional to 34,332.96, 47,372.64 and 20,895.21 is: 28,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,332.96 : 47,372.64 = 20,895.21 : x
  2. Step 2: Convert to fraction form
    34,332.96/47,372.64 = 20,895.21/x
  3. Step 3: Cross multiply
    34,332.96x = 47,372.64 × 20,895.21
  4. Step 4: Simplify right side
    34,332.96x = 989,861,261.05
  5. Step 5: Solve for x
    x = 989,861,261.05/34,332.96
  6. Step 6: Final answer
    x = 28,831.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.