Home / 47,860.94-66,034.77-28,735.58

Finding the Fourth Proportional to 47,860.94, 66,034.77 and 28,735.58

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Solution

The fourth proportional to 47,860.94, 66,034.77 and 28,735.58 is: 39,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.94 : 66,034.77 = 28,735.58 : x
  2. Step 2: Convert to fraction form
    47,860.94/66,034.77 = 28,735.58/x
  3. Step 3: Cross multiply
    47,860.94x = 66,034.77 × 28,735.58
  4. Step 4: Simplify right side
    47,860.94x = 1,897,547,416.12
  5. Step 5: Solve for x
    x = 1,897,547,416.12/47,860.94
  6. Step 6: Final answer
    x = 39,647.10

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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.