Home / 42,117.03-63,120.91-17,127.99

Finding the Fourth Proportional to 42,117.03, 63,120.91 and 17,127.99

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Solution

The fourth proportional to 42,117.03, 63,120.91 and 17,127.99 is: 25,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.03 : 63,120.91 = 17,127.99 : x
  2. Step 2: Convert to fraction form
    42,117.03/63,120.91 = 17,127.99/x
  3. Step 3: Cross multiply
    42,117.03x = 63,120.91 × 17,127.99
  4. Step 4: Simplify right side
    42,117.03x = 1,081,134,315.27
  5. Step 5: Solve for x
    x = 1,081,134,315.27/42,117.03
  6. Step 6: Final answer
    x = 25,669.77

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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.