Home / 34,771.87-47,985.14-18,856.24

Finding the Fourth Proportional to 34,771.87, 47,985.14 and 18,856.24

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Solution

The fourth proportional to 34,771.87, 47,985.14 and 18,856.24 is: 26,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.87 : 47,985.14 = 18,856.24 : x
  2. Step 2: Convert to fraction form
    34,771.87/47,985.14 = 18,856.24/x
  3. Step 3: Cross multiply
    34,771.87x = 47,985.14 × 18,856.24
  4. Step 4: Simplify right side
    34,771.87x = 904,818,982.07
  5. Step 5: Solve for x
    x = 904,818,982.07/34,771.87
  6. Step 6: Final answer
    x = 26,021.58

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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.