Home / 29,018.95-43,472.38-21,406.83

Finding the Fourth Proportional to 29,018.95, 43,472.38 and 21,406.83

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Solution

The fourth proportional to 29,018.95, 43,472.38 and 21,406.83 is: 32,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.95 : 43,472.38 = 21,406.83 : x
  2. Step 2: Convert to fraction form
    29,018.95/43,472.38 = 21,406.83/x
  3. Step 3: Cross multiply
    29,018.95x = 43,472.38 × 21,406.83
  4. Step 4: Simplify right side
    29,018.95x = 930,605,671.95
  5. Step 5: Solve for x
    x = 930,605,671.95/29,018.95
  6. Step 6: Final answer
    x = 32,068.89

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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.