Home / 47,931.22-66,137.29-27,784.16

Finding the Fourth Proportional to 47,931.22, 66,137.29 and 27,784.16

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Solution

The fourth proportional to 47,931.22, 66,137.29 and 27,784.16 is: 38,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.22 : 66,137.29 = 27,784.16 : x
  2. Step 2: Convert to fraction form
    47,931.22/66,137.29 = 27,784.16/x
  3. Step 3: Cross multiply
    47,931.22x = 66,137.29 × 27,784.16
  4. Step 4: Simplify right side
    47,931.22x = 1,837,569,047.33
  5. Step 5: Solve for x
    x = 1,837,569,047.33/47,931.22
  6. Step 6: Final answer
    x = 38,337.62

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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.