Home / 47,316.02-65,236.20-31,180.82

Finding the Fourth Proportional to 47,316.02, 65,236.20 and 31,180.82

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Solution

The fourth proportional to 47,316.02, 65,236.20 and 31,180.82 is: 42,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,316.02 : 65,236.20 = 31,180.82 : x
  2. Step 2: Convert to fraction form
    47,316.02/65,236.20 = 31,180.82/x
  3. Step 3: Cross multiply
    47,316.02x = 65,236.20 × 31,180.82
  4. Step 4: Simplify right side
    47,316.02x = 2,034,118,209.68
  5. Step 5: Solve for x
    x = 2,034,118,209.68/47,316.02
  6. Step 6: Final answer
    x = 42,990.05

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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.