Home / 42,888.24-64,331.90-17,582.11

Finding the Fourth Proportional to 42,888.24, 64,331.90 and 17,582.11

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Solution

The fourth proportional to 42,888.24, 64,331.90 and 17,582.11 is: 26,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.24 : 64,331.90 = 17,582.11 : x
  2. Step 2: Convert to fraction form
    42,888.24/64,331.90 = 17,582.11/x
  3. Step 3: Cross multiply
    42,888.24x = 64,331.90 × 17,582.11
  4. Step 4: Simplify right side
    42,888.24x = 1,131,090,746.09
  5. Step 5: Solve for x
    x = 1,131,090,746.09/42,888.24
  6. Step 6: Final answer
    x = 26,372.98

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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.