Home / 65,437.38-90,308.25-37,144.89

Finding the Fourth Proportional to 65,437.38, 90,308.25 and 37,144.89

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Solution

The fourth proportional to 65,437.38, 90,308.25 and 37,144.89 is: 51,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,437.38 : 90,308.25 = 37,144.89 : x
  2. Step 2: Convert to fraction form
    65,437.38/90,308.25 = 37,144.89/x
  3. Step 3: Cross multiply
    65,437.38x = 90,308.25 × 37,144.89
  4. Step 4: Simplify right side
    65,437.38x = 3,354,490,012.34
  5. Step 5: Solve for x
    x = 3,354,490,012.34/65,437.38
  6. Step 6: Final answer
    x = 51,262.60

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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.