Home / 35,060.80-48,378.24-20,153.92

Finding the Fourth Proportional to 35,060.80, 48,378.24 and 20,153.92

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Solution

The fourth proportional to 35,060.80, 48,378.24 and 20,153.92 is: 27,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,060.80 : 48,378.24 = 20,153.92 : x
  2. Step 2: Convert to fraction form
    35,060.80/48,378.24 = 20,153.92/x
  3. Step 3: Cross multiply
    35,060.80x = 48,378.24 × 20,153.92
  4. Step 4: Simplify right side
    35,060.80x = 975,011,178.70
  5. Step 5: Solve for x
    x = 975,011,178.70/35,060.80
  6. Step 6: Final answer
    x = 27,809.15

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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.