Home / 65,559.09-90,470.70-37,262.91

Finding the Fourth Proportional to 65,559.09, 90,470.70 and 37,262.91

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Solution

The fourth proportional to 65,559.09, 90,470.70 and 37,262.91 is: 51,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,559.09 : 90,470.70 = 37,262.91 : x
  2. Step 2: Convert to fraction form
    65,559.09/90,470.70 = 37,262.91/x
  3. Step 3: Cross multiply
    65,559.09x = 90,470.70 × 37,262.91
  4. Step 4: Simplify right side
    65,559.09x = 3,371,201,551.74
  5. Step 5: Solve for x
    x = 3,371,201,551.74/65,559.09
  6. Step 6: Final answer
    x = 51,422.34

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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.