Home / 84,263.40-126,395.10-21,933.90

Finding the Fourth Proportional to 84,263.40, 126,395.10 and 21,933.90

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Solution

The fourth proportional to 84,263.40, 126,395.10 and 21,933.90 is: 32,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,263.40 : 126,395.10 = 21,933.90 : x
  2. Step 2: Convert to fraction form
    84,263.40/126,395.10 = 21,933.90/x
  3. Step 3: Cross multiply
    84,263.40x = 126,395.10 × 21,933.90
  4. Step 4: Simplify right side
    84,263.40x = 2,772,337,483.89
  5. Step 5: Solve for x
    x = 2,772,337,483.89/84,263.40
  6. Step 6: Final answer
    x = 32,900.85

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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.