Home / 47,298.82-65,299.07-31,405.00

Finding the Fourth Proportional to 47,298.82, 65,299.07 and 31,405.00

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Solution

The fourth proportional to 47,298.82, 65,299.07 and 31,405.00 is: 43,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,298.82 : 65,299.07 = 31,405.00 : x
  2. Step 2: Convert to fraction form
    47,298.82/65,299.07 = 31,405.00/x
  3. Step 3: Cross multiply
    47,298.82x = 65,299.07 × 31,405.00
  4. Step 4: Simplify right side
    47,298.82x = 2,050,717,675.62
  5. Step 5: Solve for x
    x = 2,050,717,675.62/47,298.82
  6. Step 6: Final answer
    x = 43,356.63

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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.