Home / 29,120.34-43,685.64-19,267.68

Finding the Fourth Proportional to 29,120.34, 43,685.64 and 19,267.68

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Solution

The fourth proportional to 29,120.34, 43,685.64 and 19,267.68 is: 28,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.34 : 43,685.64 = 19,267.68 : x
  2. Step 2: Convert to fraction form
    29,120.34/43,685.64 = 19,267.68/x
  3. Step 3: Cross multiply
    29,120.34x = 43,685.64 × 19,267.68
  4. Step 4: Simplify right side
    29,120.34x = 841,720,932.12
  5. Step 5: Solve for x
    x = 841,720,932.12/29,120.34
  6. Step 6: Final answer
    x = 28,904.91

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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.