Home / 47,377.39-65,378.46-27,220

Finding the Fourth Proportional to 47,377.39, 65,378.46 and 27,220

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Solution

The fourth proportional to 47,377.39, 65,378.46 and 27,220 is: 37,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.39 : 65,378.46 = 27,220 : x
  2. Step 2: Convert to fraction form
    47,377.39/65,378.46 = 27,220/x
  3. Step 3: Cross multiply
    47,377.39x = 65,378.46 × 27,220
  4. Step 4: Simplify right side
    47,377.39x = 1,779,601,681.20
  5. Step 5: Solve for x
    x = 1,779,601,681.20/47,377.39
  6. Step 6: Final answer
    x = 37,562.26

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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.