Home / 35,208.04-48,591.30-21,788.20

Finding the Fourth Proportional to 35,208.04, 48,591.30 and 21,788.20

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Solution

The fourth proportional to 35,208.04, 48,591.30 and 21,788.20 is: 30,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208.04 : 48,591.30 = 21,788.20 : x
  2. Step 2: Convert to fraction form
    35,208.04/48,591.30 = 21,788.20/x
  3. Step 3: Cross multiply
    35,208.04x = 48,591.30 × 21,788.20
  4. Step 4: Simplify right side
    35,208.04x = 1,058,716,962.66
  5. Step 5: Solve for x
    x = 1,058,716,962.66/35,208.04
  6. Step 6: Final answer
    x = 30,070.32

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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.