Home / 35,786.77-53,663.49-13,281.77

Finding the Fourth Proportional to 35,786.77, 53,663.49 and 13,281.77

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Solution

The fourth proportional to 35,786.77, 53,663.49 and 13,281.77 is: 19,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.77 : 53,663.49 = 13,281.77 : x
  2. Step 2: Convert to fraction form
    35,786.77/53,663.49 = 13,281.77/x
  3. Step 3: Cross multiply
    35,786.77x = 53,663.49 × 13,281.77
  4. Step 4: Simplify right side
    35,786.77x = 712,746,391.26
  5. Step 5: Solve for x
    x = 712,746,391.26/35,786.77
  6. Step 6: Final answer
    x = 19,916.48

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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.