Home / 29,434.72-44,127.16-12,782.20

Finding the Fourth Proportional to 29,434.72, 44,127.16 and 12,782.20

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Solution

The fourth proportional to 29,434.72, 44,127.16 and 12,782.20 is: 19,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.72 : 44,127.16 = 12,782.20 : x
  2. Step 2: Convert to fraction form
    29,434.72/44,127.16 = 12,782.20/x
  3. Step 3: Cross multiply
    29,434.72x = 44,127.16 × 12,782.20
  4. Step 4: Simplify right side
    29,434.72x = 564,042,184.55
  5. Step 5: Solve for x
    x = 564,042,184.55/29,434.72
  6. Step 6: Final answer
    x = 19,162.48

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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.