Home / 63,243.40-94,869.90-18,866.68

Finding the Fourth Proportional to 63,243.40, 94,869.90 and 18,866.68

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Solution

The fourth proportional to 63,243.40, 94,869.90 and 18,866.68 is: 28,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.40 : 94,869.90 = 18,866.68 : x
  2. Step 2: Convert to fraction form
    63,243.40/94,869.90 = 18,866.68/x
  3. Step 3: Cross multiply
    63,243.40x = 94,869.90 × 18,866.68
  4. Step 4: Simplify right side
    63,243.40x = 1,789,880,044.93
  5. Step 5: Solve for x
    x = 1,789,880,044.93/63,243.40
  6. Step 6: Final answer
    x = 28,301.45

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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.