Home / 47,739.10-65,825.60-30,488.23

Finding the Fourth Proportional to 47,739.10, 65,825.60 and 30,488.23

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Solution

The fourth proportional to 47,739.10, 65,825.60 and 30,488.23 is: 42,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.10 : 65,825.60 = 30,488.23 : x
  2. Step 2: Convert to fraction form
    47,739.10/65,825.60 = 30,488.23/x
  3. Step 3: Cross multiply
    47,739.10x = 65,825.60 × 30,488.23
  4. Step 4: Simplify right side
    47,739.10x = 2,006,905,703.56
  5. Step 5: Solve for x
    x = 2,006,905,703.56/47,739.10
  6. Step 6: Final answer
    x = 42,039.04

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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.