Home / 47,335.30-65,315.10-26,915.20

Finding the Fourth Proportional to 47,335.30, 65,315.10 and 26,915.20

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Solution

The fourth proportional to 47,335.30, 65,315.10 and 26,915.20 is: 37,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,335.30 : 65,315.10 = 26,915.20 : x
  2. Step 2: Convert to fraction form
    47,335.30/65,315.10 = 26,915.20/x
  3. Step 3: Cross multiply
    47,335.30x = 65,315.10 × 26,915.20
  4. Step 4: Simplify right side
    47,335.30x = 1,757,968,979.52
  5. Step 5: Solve for x
    x = 1,757,968,979.52/47,335.30
  6. Step 6: Final answer
    x = 37,138.65

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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.