Home / 47,420.70-65,442.47-27,277.59

Finding the Fourth Proportional to 47,420.70, 65,442.47 and 27,277.59

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Solution

The fourth proportional to 47,420.70, 65,442.47 and 27,277.59 is: 37,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.70 : 65,442.47 = 27,277.59 : x
  2. Step 2: Convert to fraction form
    47,420.70/65,442.47 = 27,277.59/x
  3. Step 3: Cross multiply
    47,420.70x = 65,442.47 × 27,277.59
  4. Step 4: Simplify right side
    47,420.70x = 1,785,112,728.86
  5. Step 5: Solve for x
    x = 1,785,112,728.86/47,420.70
  6. Step 6: Final answer
    x = 37,644.17

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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.