Home / 39,468.60-54,465.96-21,563.16

Finding the Fourth Proportional to 39,468.60, 54,465.96 and 21,563.16

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Solution

The fourth proportional to 39,468.60, 54,465.96 and 21,563.16 is: 29,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.60 : 54,465.96 = 21,563.16 : x
  2. Step 2: Convert to fraction form
    39,468.60/54,465.96 = 21,563.16/x
  3. Step 3: Cross multiply
    39,468.60x = 54,465.96 × 21,563.16
  4. Step 4: Simplify right side
    39,468.60x = 1,174,458,210.03
  5. Step 5: Solve for x
    x = 1,174,458,210.03/39,468.60
  6. Step 6: Final answer
    x = 29,756.77

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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.