Home / 35,561.16-53,348.22-12,182.40

Finding the Fourth Proportional to 35,561.16, 53,348.22 and 12,182.40

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Solution

The fourth proportional to 35,561.16, 53,348.22 and 12,182.40 is: 18,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.16 : 53,348.22 = 12,182.40 : x
  2. Step 2: Convert to fraction form
    35,561.16/53,348.22 = 12,182.40/x
  3. Step 3: Cross multiply
    35,561.16x = 53,348.22 × 12,182.40
  4. Step 4: Simplify right side
    35,561.16x = 649,909,355.33
  5. Step 5: Solve for x
    x = 649,909,355.33/35,561.16
  6. Step 6: Final answer
    x = 18,275.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.