Home / 52,329.54-72,216.12-28,457.60

Finding the Fourth Proportional to 52,329.54, 72,216.12 and 28,457.60

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Solution

The fourth proportional to 52,329.54, 72,216.12 and 28,457.60 is: 39,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,329.54 : 72,216.12 = 28,457.60 : x
  2. Step 2: Convert to fraction form
    52,329.54/72,216.12 = 28,457.60/x
  3. Step 3: Cross multiply
    52,329.54x = 72,216.12 × 28,457.60
  4. Step 4: Simplify right side
    52,329.54x = 2,055,097,456.51
  5. Step 5: Solve for x
    x = 2,055,097,456.51/52,329.54
  6. Step 6: Final answer
    x = 39,272.22

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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.