Home / 35,084.32-48,420.50-19,980.60

Finding the Fourth Proportional to 35,084.32, 48,420.50 and 19,980.60

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Solution

The fourth proportional to 35,084.32, 48,420.50 and 19,980.60 is: 27,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.32 : 48,420.50 = 19,980.60 : x
  2. Step 2: Convert to fraction form
    35,084.32/48,420.50 = 19,980.60/x
  3. Step 3: Cross multiply
    35,084.32x = 48,420.50 × 19,980.60
  4. Step 4: Simplify right side
    35,084.32x = 967,470,642.30
  5. Step 5: Solve for x
    x = 967,470,642.30/35,084.32
  6. Step 6: Final answer
    x = 27,575.58

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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.