Home / 65,259.03-90,036.05-36,574.50

Finding the Fourth Proportional to 65,259.03, 90,036.05 and 36,574.50

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Solution

The fourth proportional to 65,259.03, 90,036.05 and 36,574.50 is: 50,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,259.03 : 90,036.05 = 36,574.50 : x
  2. Step 2: Convert to fraction form
    65,259.03/90,036.05 = 36,574.50/x
  3. Step 3: Cross multiply
    65,259.03x = 90,036.05 × 36,574.50
  4. Step 4: Simplify right side
    65,259.03x = 3,293,023,327.85
  5. Step 5: Solve for x
    x = 3,293,023,327.85/65,259.03
  6. Step 6: Final answer
    x = 50,460.81

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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.