Home / 35,114.40-48,448.10-20,962.08

Finding the Fourth Proportional to 35,114.40, 48,448.10 and 20,962.08

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Solution

The fourth proportional to 35,114.40, 48,448.10 and 20,962.08 is: 28,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,114.40 : 48,448.10 = 20,962.08 : x
  2. Step 2: Convert to fraction form
    35,114.40/48,448.10 = 20,962.08/x
  3. Step 3: Cross multiply
    35,114.40x = 48,448.10 × 20,962.08
  4. Step 4: Simplify right side
    35,114.40x = 1,015,572,948.05
  5. Step 5: Solve for x
    x = 1,015,572,948.05/35,114.40
  6. Step 6: Final answer
    x = 28,921.84

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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.