Home / 47,842.67-66,015.86-28,718.39

Finding the Fourth Proportional to 47,842.67, 66,015.86 and 28,718.39

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Solution

The fourth proportional to 47,842.67, 66,015.86 and 28,718.39 is: 39,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842.67 : 66,015.86 = 28,718.39 : x
  2. Step 2: Convert to fraction form
    47,842.67/66,015.86 = 28,718.39/x
  3. Step 3: Cross multiply
    47,842.67x = 66,015.86 × 28,718.39
  4. Step 4: Simplify right side
    47,842.67x = 1,895,868,739.99
  5. Step 5: Solve for x
    x = 1,895,868,739.99/47,842.67
  6. Step 6: Final answer
    x = 39,627.16

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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.