Home / 47,430.99-65,394.41-38,901.69

Finding the Fourth Proportional to 47,430.99, 65,394.41 and 38,901.69

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Solution

The fourth proportional to 47,430.99, 65,394.41 and 38,901.69 is: 53,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,430.99 : 65,394.41 = 38,901.69 : x
  2. Step 2: Convert to fraction form
    47,430.99/65,394.41 = 38,901.69/x
  3. Step 3: Cross multiply
    47,430.99x = 65,394.41 × 38,901.69
  4. Step 4: Simplify right side
    47,430.99x = 2,543,952,871.04
  5. Step 5: Solve for x
    x = 2,543,952,871.04/47,430.99
  6. Step 6: Final answer
    x = 53,634.83

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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.