Home / 35,689.78-53,513.91-13,504.87

Finding the Fourth Proportional to 35,689.78, 53,513.91 and 13,504.87

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Solution

The fourth proportional to 35,689.78, 53,513.91 and 13,504.87 is: 20,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.78 : 53,513.91 = 13,504.87 : x
  2. Step 2: Convert to fraction form
    35,689.78/53,513.91 = 13,504.87/x
  3. Step 3: Cross multiply
    35,689.78x = 53,513.91 × 13,504.87
  4. Step 4: Simplify right side
    35,689.78x = 722,698,314.60
  5. Step 5: Solve for x
    x = 722,698,314.60/35,689.78
  6. Step 6: Final answer
    x = 20,249.45

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1.5x scale

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.