Home / 34,740.32-47,942.52-21,303.86

Finding the Fourth Proportional to 34,740.32, 47,942.52 and 21,303.86

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Solution

The fourth proportional to 34,740.32, 47,942.52 and 21,303.86 is: 29,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.32 : 47,942.52 = 21,303.86 : x
  2. Step 2: Convert to fraction form
    34,740.32/47,942.52 = 21,303.86/x
  3. Step 3: Cross multiply
    34,740.32x = 47,942.52 × 21,303.86
  4. Step 4: Simplify right side
    34,740.32x = 1,021,360,734.13
  5. Step 5: Solve for x
    x = 1,021,360,734.13/34,740.32
  6. Step 6: Final answer
    x = 29,399.87

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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.