Home / 35,420.26-48,878.80-19,504.30

Finding the Fourth Proportional to 35,420.26, 48,878.80 and 19,504.30

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Solution

The fourth proportional to 35,420.26, 48,878.80 and 19,504.30 is: 26,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.26 : 48,878.80 = 19,504.30 : x
  2. Step 2: Convert to fraction form
    35,420.26/48,878.80 = 19,504.30/x
  3. Step 3: Cross multiply
    35,420.26x = 48,878.80 × 19,504.30
  4. Step 4: Simplify right side
    35,420.26x = 953,346,778.84
  5. Step 5: Solve for x
    x = 953,346,778.84/35,420.26
  6. Step 6: Final answer
    x = 26,915.30

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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.