Home / 65,430.70-90,287.18-36,744.54

Finding the Fourth Proportional to 65,430.70, 90,287.18 and 36,744.54

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Solution

The fourth proportional to 65,430.70, 90,287.18 and 36,744.54 is: 50,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,430.70 : 90,287.18 = 36,744.54 : x
  2. Step 2: Convert to fraction form
    65,430.70/90,287.18 = 36,744.54/x
  3. Step 3: Cross multiply
    65,430.70x = 90,287.18 × 36,744.54
  4. Step 4: Simplify right side
    65,430.70x = 3,317,560,897.00
  5. Step 5: Solve for x
    x = 3,317,560,897.00/65,430.70
  6. Step 6: Final answer
    x = 50,703.43

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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.