Home / 34,437.48-47,514.96-21,007.86

Finding the Fourth Proportional to 34,437.48, 47,514.96 and 21,007.86

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Solution

The fourth proportional to 34,437.48, 47,514.96 and 21,007.86 is: 28,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,437.48 : 47,514.96 = 21,007.86 : x
  2. Step 2: Convert to fraction form
    34,437.48/47,514.96 = 21,007.86/x
  3. Step 3: Cross multiply
    34,437.48x = 47,514.96 × 21,007.86
  4. Step 4: Simplify right side
    34,437.48x = 998,187,627.59
  5. Step 5: Solve for x
    x = 998,187,627.59/34,437.48
  6. Step 6: Final answer
    x = 28,985.50

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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.