Home / 35,447.76-53,187.28-18,803.71

Finding the Fourth Proportional to 35,447.76, 53,187.28 and 18,803.71

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Solution

The fourth proportional to 35,447.76, 53,187.28 and 18,803.71 is: 28,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.76 : 53,187.28 = 18,803.71 : x
  2. Step 2: Convert to fraction form
    35,447.76/53,187.28 = 18,803.71/x
  3. Step 3: Cross multiply
    35,447.76x = 53,187.28 × 18,803.71
  4. Step 4: Simplify right side
    35,447.76x = 1,000,118,008.83
  5. Step 5: Solve for x
    x = 1,000,118,008.83/35,447.76
  6. Step 6: Final answer
    x = 28,213.86

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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.