Home / 42,683.19-64,047.92-17,740.45

Finding the Fourth Proportional to 42,683.19, 64,047.92 and 17,740.45

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Solution

The fourth proportional to 42,683.19, 64,047.92 and 17,740.45 is: 26,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683.19 : 64,047.92 = 17,740.45 : x
  2. Step 2: Convert to fraction form
    42,683.19/64,047.92 = 17,740.45/x
  3. Step 3: Cross multiply
    42,683.19x = 64,047.92 × 17,740.45
  4. Step 4: Simplify right side
    42,683.19x = 1,136,238,913.72
  5. Step 5: Solve for x
    x = 1,136,238,913.72/42,683.19
  6. Step 6: Final answer
    x = 26,620.29

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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.