Home / 39,569.01-54,605.03-21,663.69

Finding the Fourth Proportional to 39,569.01, 54,605.03 and 21,663.69

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Solution

The fourth proportional to 39,569.01, 54,605.03 and 21,663.69 is: 29,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.01 : 54,605.03 = 21,663.69 : x
  2. Step 2: Convert to fraction form
    39,569.01/54,605.03 = 21,663.69/x
  3. Step 3: Cross multiply
    39,569.01x = 54,605.03 × 21,663.69
  4. Step 4: Simplify right side
    39,569.01x = 1,182,946,442.36
  5. Step 5: Solve for x
    x = 1,182,946,442.36/39,569.01
  6. Step 6: Final answer
    x = 29,895.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.