Home / 36,287.47-54,403.51-20,510.32

Finding the Fourth Proportional to 36,287.47, 54,403.51 and 20,510.32

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Solution

The fourth proportional to 36,287.47, 54,403.51 and 20,510.32 is: 30,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.47 : 54,403.51 = 20,510.32 : x
  2. Step 2: Convert to fraction form
    36,287.47/54,403.51 = 20,510.32/x
  3. Step 3: Cross multiply
    36,287.47x = 54,403.51 × 20,510.32
  4. Step 4: Simplify right side
    36,287.47x = 1,115,833,211.94
  5. Step 5: Solve for x
    x = 1,115,833,211.94/36,287.47
  6. Step 6: Final answer
    x = 30,749.82

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1.5x scale

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.