Home / 65,222.29-90,008.99-36,543.16

Finding the Fourth Proportional to 65,222.29, 90,008.99 and 36,543.16

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Solution

The fourth proportional to 65,222.29, 90,008.99 and 36,543.16 is: 50,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.29 : 90,008.99 = 36,543.16 : x
  2. Step 2: Convert to fraction form
    65,222.29/90,008.99 = 36,543.16/x
  3. Step 3: Cross multiply
    65,222.29x = 90,008.99 × 36,543.16
  4. Step 4: Simplify right side
    65,222.29x = 3,289,212,923.01
  5. Step 5: Solve for x
    x = 3,289,212,923.01/65,222.29
  6. Step 6: Final answer
    x = 50,430.81

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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.