Home / 35,015.88-48,328.18-20,869.62

Finding the Fourth Proportional to 35,015.88, 48,328.18 and 20,869.62

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Solution

The fourth proportional to 35,015.88, 48,328.18 and 20,869.62 is: 28,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,015.88 : 48,328.18 = 20,869.62 : x
  2. Step 2: Convert to fraction form
    35,015.88/48,328.18 = 20,869.62/x
  3. Step 3: Cross multiply
    35,015.88x = 48,328.18 × 20,869.62
  4. Step 4: Simplify right side
    35,015.88x = 1,008,590,751.89
  5. Step 5: Solve for x
    x = 1,008,590,751.89/35,015.88
  6. Step 6: Final answer
    x = 28,803.81

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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.