Home / 35,110.79-48,448.28-20,960.63

Finding the Fourth Proportional to 35,110.79, 48,448.28 and 20,960.63

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Solution

The fourth proportional to 35,110.79, 48,448.28 and 20,960.63 is: 28,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.79 : 48,448.28 = 20,960.63 : x
  2. Step 2: Convert to fraction form
    35,110.79/48,448.28 = 20,960.63/x
  3. Step 3: Cross multiply
    35,110.79x = 48,448.28 × 20,960.63
  4. Step 4: Simplify right side
    35,110.79x = 1,015,506,124.17
  5. Step 5: Solve for x
    x = 1,015,506,124.17/35,110.79
  6. Step 6: Final answer
    x = 28,922.91

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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.