Home / 47,145.04-65,056.32-27,760.90

Finding the Fourth Proportional to 47,145.04, 65,056.32 and 27,760.90

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Solution

The fourth proportional to 47,145.04, 65,056.32 and 27,760.90 is: 38,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.04 : 65,056.32 = 27,760.90 : x
  2. Step 2: Convert to fraction form
    47,145.04/65,056.32 = 27,760.90/x
  3. Step 3: Cross multiply
    47,145.04x = 65,056.32 × 27,760.90
  4. Step 4: Simplify right side
    47,145.04x = 1,806,021,993.89
  5. Step 5: Solve for x
    x = 1,806,021,993.89/47,145.04
  6. Step 6: Final answer
    x = 38,307.78

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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.