Home / 65,208.23-89,987.73-38,351.87

Finding the Fourth Proportional to 65,208.23, 89,987.73 and 38,351.87

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Solution

The fourth proportional to 65,208.23, 89,987.73 and 38,351.87 is: 52,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,208.23 : 89,987.73 = 38,351.87 : x
  2. Step 2: Convert to fraction form
    65,208.23/89,987.73 = 38,351.87/x
  3. Step 3: Cross multiply
    65,208.23x = 89,987.73 × 38,351.87
  4. Step 4: Simplify right side
    65,208.23x = 3,451,197,722.56
  5. Step 5: Solve for x
    x = 3,451,197,722.56/65,208.23
  6. Step 6: Final answer
    x = 52,925.80

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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.