Home / 34,322.86-47,369.54-20,901.98

Finding the Fourth Proportional to 34,322.86, 47,369.54 and 20,901.98

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Solution

The fourth proportional to 34,322.86, 47,369.54 and 20,901.98 is: 28,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.86 : 47,369.54 = 20,901.98 : x
  2. Step 2: Convert to fraction form
    34,322.86/47,369.54 = 20,901.98/x
  3. Step 3: Cross multiply
    34,322.86x = 47,369.54 × 20,901.98
  4. Step 4: Simplify right side
    34,322.86x = 990,117,177.69
  5. Step 5: Solve for x
    x = 990,117,177.69/34,322.86
  6. Step 6: Final answer
    x = 28,847.16

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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.