Home / 35,265.84-48,665.52-20,157.72

Finding the Fourth Proportional to 35,265.84, 48,665.52 and 20,157.72

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Solution

The fourth proportional to 35,265.84, 48,665.52 and 20,157.72 is: 27,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,265.84 : 48,665.52 = 20,157.72 : x
  2. Step 2: Convert to fraction form
    35,265.84/48,665.52 = 20,157.72/x
  3. Step 3: Cross multiply
    35,265.84x = 48,665.52 × 20,157.72
  4. Step 4: Simplify right side
    35,265.84x = 980,985,925.81
  5. Step 5: Solve for x
    x = 980,985,925.81/35,265.84
  6. Step 6: Final answer
    x = 27,816.89

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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.