Home / 65,749.07-90,711.56-37,434.71

Finding the Fourth Proportional to 65,749.07, 90,711.56 and 37,434.71

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Solution

The fourth proportional to 65,749.07, 90,711.56 and 37,434.71 is: 51,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.07 : 90,711.56 = 37,434.71 : x
  2. Step 2: Convert to fraction form
    65,749.07/90,711.56 = 37,434.71/x
  3. Step 3: Cross multiply
    65,749.07x = 90,711.56 × 37,434.71
  4. Step 4: Simplify right side
    65,749.07x = 3,395,760,755.07
  5. Step 5: Solve for x
    x = 3,395,760,755.07/65,749.07
  6. Step 6: Final answer
    x = 51,647.28

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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.