Home / 35,220.30-48,575.54-21,782.13

Finding the Fourth Proportional to 35,220.30, 48,575.54 and 21,782.13

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Solution

The fourth proportional to 35,220.30, 48,575.54 and 21,782.13 is: 30,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,220.30 : 48,575.54 = 21,782.13 : x
  2. Step 2: Convert to fraction form
    35,220.30/48,575.54 = 21,782.13/x
  3. Step 3: Cross multiply
    35,220.30x = 48,575.54 × 21,782.13
  4. Step 4: Simplify right side
    35,220.30x = 1,058,078,618.19
  5. Step 5: Solve for x
    x = 1,058,078,618.19/35,220.30
  6. Step 6: Final answer
    x = 30,041.73

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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.