Home / 29,030.37-43,471.70-19,139.64

Finding the Fourth Proportional to 29,030.37, 43,471.70 and 19,139.64

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Solution

The fourth proportional to 29,030.37, 43,471.70 and 19,139.64 is: 28,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.37 : 43,471.70 = 19,139.64 : x
  2. Step 2: Convert to fraction form
    29,030.37/43,471.70 = 19,139.64/x
  3. Step 3: Cross multiply
    29,030.37x = 43,471.70 × 19,139.64
  4. Step 4: Simplify right side
    29,030.37x = 832,032,592.49
  5. Step 5: Solve for x
    x = 832,032,592.49/29,030.37
  6. Step 6: Final answer
    x = 28,660.76

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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.