Home / 29,434.98-44,127.56-12,782.40

Finding the Fourth Proportional to 29,434.98, 44,127.56 and 12,782.40

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Solution

The fourth proportional to 29,434.98, 44,127.56 and 12,782.40 is: 19,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.98 : 44,127.56 = 12,782.40 : x
  2. Step 2: Convert to fraction form
    29,434.98/44,127.56 = 12,782.40/x
  3. Step 3: Cross multiply
    29,434.98x = 44,127.56 × 12,782.40
  4. Step 4: Simplify right side
    29,434.98x = 564,056,122.94
  5. Step 5: Solve for x
    x = 564,056,122.94/29,434.98
  6. Step 6: Final answer
    x = 19,162.78

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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.