Home / 34,153.72-47,132.40-19,047.35

Finding the Fourth Proportional to 34,153.72, 47,132.40 and 19,047.35

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Solution

The fourth proportional to 34,153.72, 47,132.40 and 19,047.35 is: 26,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,153.72 : 47,132.40 = 19,047.35 : x
  2. Step 2: Convert to fraction form
    34,153.72/47,132.40 = 19,047.35/x
  3. Step 3: Cross multiply
    34,153.72x = 47,132.40 × 19,047.35
  4. Step 4: Simplify right side
    34,153.72x = 897,747,508.40
  5. Step 5: Solve for x
    x = 897,747,508.40/34,153.72
  6. Step 6: Final answer
    x = 26,285.50

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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.