Home / 47,282.56-65,276.60-31,388.74

Finding the Fourth Proportional to 47,282.56, 65,276.60 and 31,388.74

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Solution

The fourth proportional to 47,282.56, 65,276.60 and 31,388.74 is: 43,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,282.56 : 65,276.60 = 31,388.74 : x
  2. Step 2: Convert to fraction form
    47,282.56/65,276.60 = 31,388.74/x
  3. Step 3: Cross multiply
    47,282.56x = 65,276.60 × 31,388.74
  4. Step 4: Simplify right side
    47,282.56x = 2,048,950,225.48
  5. Step 5: Solve for x
    x = 2,048,950,225.48/47,282.56
  6. Step 6: Final answer
    x = 43,334.16

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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.