Home / 63,979.10-95,988.65-19,000.71

Finding the Fourth Proportional to 63,979.10, 95,988.65 and 19,000.71

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Solution

The fourth proportional to 63,979.10, 95,988.65 and 19,000.71 is: 28,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.10 : 95,988.65 = 19,000.71 : x
  2. Step 2: Convert to fraction form
    63,979.10/95,988.65 = 19,000.71/x
  3. Step 3: Cross multiply
    63,979.10x = 95,988.65 × 19,000.71
  4. Step 4: Simplify right side
    63,979.10x = 1,823,852,501.94
  5. Step 5: Solve for x
    x = 1,823,852,501.94/63,979.10
  6. Step 6: Final answer
    x = 28,507.00

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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.