Home / 47,519.88-65,570.93-28,395.62

Finding the Fourth Proportional to 47,519.88, 65,570.93 and 28,395.62

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Solution

The fourth proportional to 47,519.88, 65,570.93 and 28,395.62 is: 39,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,519.88 : 65,570.93 = 28,395.62 : x
  2. Step 2: Convert to fraction form
    47,519.88/65,570.93 = 28,395.62/x
  3. Step 3: Cross multiply
    47,519.88x = 65,570.93 × 28,395.62
  4. Step 4: Simplify right side
    47,519.88x = 1,861,927,093.87
  5. Step 5: Solve for x
    x = 1,861,927,093.87/47,519.88
  6. Step 6: Final answer
    x = 39,182.07

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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.