Home / 39,465.15-54,460.98-21,560.22

Finding the Fourth Proportional to 39,465.15, 54,460.98 and 21,560.22

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Solution

The fourth proportional to 39,465.15, 54,460.98 and 21,560.22 is: 29,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.15 : 54,460.98 = 21,560.22 : x
  2. Step 2: Convert to fraction form
    39,465.15/54,460.98 = 21,560.22/x
  3. Step 3: Cross multiply
    39,465.15x = 54,460.98 × 21,560.22
  4. Step 4: Simplify right side
    39,465.15x = 1,174,190,710.22
  5. Step 5: Solve for x
    x = 1,174,190,710.22/39,465.15
  6. Step 6: Final answer
    x = 29,752.60

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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.