Home / 34,509.98-47,621.45-19,404.97

Finding the Fourth Proportional to 34,509.98, 47,621.45 and 19,404.97

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Solution

The fourth proportional to 34,509.98, 47,621.45 and 19,404.97 is: 26,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509.98 : 47,621.45 = 19,404.97 : x
  2. Step 2: Convert to fraction form
    34,509.98/47,621.45 = 19,404.97/x
  3. Step 3: Cross multiply
    34,509.98x = 47,621.45 × 19,404.97
  4. Step 4: Simplify right side
    34,509.98x = 924,092,738.07
  5. Step 5: Solve for x
    x = 924,092,738.07/34,509.98
  6. Step 6: Final answer
    x = 26,777.55

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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.