Home / 47,856.02-71,778.56-12,798.41

Finding the Fourth Proportional to 47,856.02, 71,778.56 and 12,798.41

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Solution

The fourth proportional to 47,856.02, 71,778.56 and 12,798.41 is: 19,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.02 : 71,778.56 = 12,798.41 : x
  2. Step 2: Convert to fraction form
    47,856.02/71,778.56 = 12,798.41/x
  3. Step 3: Cross multiply
    47,856.02x = 71,778.56 × 12,798.41
  4. Step 4: Simplify right side
    47,856.02x = 918,651,017.20
  5. Step 5: Solve for x
    x = 918,651,017.20/47,856.02
  6. Step 6: Final answer
    x = 19,196.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.