Home / 47,557-65,617.40-28,166.14

Finding the Fourth Proportional to 47,557, 65,617.40 and 28,166.14

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Solution

The fourth proportional to 47,557, 65,617.40 and 28,166.14 is: 38,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557 : 65,617.40 = 28,166.14 : x
  2. Step 2: Convert to fraction form
    47,557/65,617.40 = 28,166.14/x
  3. Step 3: Cross multiply
    47,557x = 65,617.40 × 28,166.14
  4. Step 4: Simplify right side
    47,557x = 1,848,188,874.84
  5. Step 5: Solve for x
    x = 1,848,188,874.84/47,557
  6. Step 6: Final answer
    x = 38,862.60

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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.