Home / 35,958.90-49,623.12-20,860.32

Finding the Fourth Proportional to 35,958.90, 49,623.12 and 20,860.32

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Solution

The fourth proportional to 35,958.90, 49,623.12 and 20,860.32 is: 28,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.90 : 49,623.12 = 20,860.32 : x
  2. Step 2: Convert to fraction form
    35,958.90/49,623.12 = 20,860.32/x
  3. Step 3: Cross multiply
    35,958.90x = 49,623.12 × 20,860.32
  4. Step 4: Simplify right side
    35,958.90x = 1,035,154,162.60
  5. Step 5: Solve for x
    x = 1,035,154,162.60/35,958.90
  6. Step 6: Final answer
    x = 28,787.15

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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.