Home / 45,666.02-68,471.69-18,979.83

Finding the Fourth Proportional to 45,666.02, 68,471.69 and 18,979.83

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Solution

The fourth proportional to 45,666.02, 68,471.69 and 18,979.83 is: 28,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,666.02 : 68,471.69 = 18,979.83 : x
  2. Step 2: Convert to fraction form
    45,666.02/68,471.69 = 18,979.83/x
  3. Step 3: Cross multiply
    45,666.02x = 68,471.69 × 18,979.83
  4. Step 4: Simplify right side
    45,666.02x = 1,299,581,036.01
  5. Step 5: Solve for x
    x = 1,299,581,036.01/45,666.02
  6. Step 6: Final answer
    x = 28,458.38

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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.