Home / 47,024.78-64,889.47-28,161.42

Finding the Fourth Proportional to 47,024.78, 64,889.47 and 28,161.42

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Solution

The fourth proportional to 47,024.78, 64,889.47 and 28,161.42 is: 38,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,024.78 : 64,889.47 = 28,161.42 : x
  2. Step 2: Convert to fraction form
    47,024.78/64,889.47 = 28,161.42/x
  3. Step 3: Cross multiply
    47,024.78x = 64,889.47 × 28,161.42
  4. Step 4: Simplify right side
    47,024.78x = 1,827,379,618.25
  5. Step 5: Solve for x
    x = 1,827,379,618.25/47,024.78
  6. Step 6: Final answer
    x = 38,859.93

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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.