Home / 47,206.15-65,139.14-27,823.80

Finding the Fourth Proportional to 47,206.15, 65,139.14 and 27,823.80

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Solution

The fourth proportional to 47,206.15, 65,139.14 and 27,823.80 is: 38,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206.15 : 65,139.14 = 27,823.80 : x
  2. Step 2: Convert to fraction form
    47,206.15/65,139.14 = 27,823.80/x
  3. Step 3: Cross multiply
    47,206.15x = 65,139.14 × 27,823.80
  4. Step 4: Simplify right side
    47,206.15x = 1,812,418,403.53
  5. Step 5: Solve for x
    x = 1,812,418,403.53/47,206.15
  6. Step 6: Final answer
    x = 38,393.69

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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.