Home / 48,521.46-72,782.13-13,461.12

Finding the Fourth Proportional to 48,521.46, 72,782.13 and 13,461.12

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Solution

The fourth proportional to 48,521.46, 72,782.13 and 13,461.12 is: 20,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.46 : 72,782.13 = 13,461.12 : x
  2. Step 2: Convert to fraction form
    48,521.46/72,782.13 = 13,461.12/x
  3. Step 3: Cross multiply
    48,521.46x = 72,782.13 × 13,461.12
  4. Step 4: Simplify right side
    48,521.46x = 979,728,985.79
  5. Step 5: Solve for x
    x = 979,728,985.79/48,521.46
  6. Step 6: Final answer
    x = 20,191.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.