Home / 47,985.28-72,010.05-16,820.53

Finding the Fourth Proportional to 47,985.28, 72,010.05 and 16,820.53

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Solution

The fourth proportional to 47,985.28, 72,010.05 and 16,820.53 is: 25,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.28 : 72,010.05 = 16,820.53 : x
  2. Step 2: Convert to fraction form
    47,985.28/72,010.05 = 16,820.53/x
  3. Step 3: Cross multiply
    47,985.28x = 72,010.05 × 16,820.53
  4. Step 4: Simplify right side
    47,985.28x = 1,211,247,206.33
  5. Step 5: Solve for x
    x = 1,211,247,206.33/47,985.28
  6. Step 6: Final answer
    x = 25,242.06

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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.