Home / 47,782.08-65,720.07-38,329.92

Finding the Fourth Proportional to 47,782.08, 65,720.07 and 38,329.92

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Solution

The fourth proportional to 47,782.08, 65,720.07 and 38,329.92 is: 52,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.08 : 65,720.07 = 38,329.92 : x
  2. Step 2: Convert to fraction form
    47,782.08/65,720.07 = 38,329.92/x
  3. Step 3: Cross multiply
    47,782.08x = 65,720.07 × 38,329.92
  4. Step 4: Simplify right side
    47,782.08x = 2,519,045,025.49
  5. Step 5: Solve for x
    x = 2,519,045,025.49/47,782.08
  6. Step 6: Final answer
    x = 52,719.45

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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.