Home / 53,456.99-73,778.93-30,486.86

Finding the Fourth Proportional to 53,456.99, 73,778.93 and 30,486.86

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Solution

The fourth proportional to 53,456.99, 73,778.93 and 30,486.86 is: 42,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,456.99 : 73,778.93 = 30,486.86 : x
  2. Step 2: Convert to fraction form
    53,456.99/73,778.93 = 30,486.86/x
  3. Step 3: Cross multiply
    53,456.99x = 73,778.93 × 30,486.86
  4. Step 4: Simplify right side
    53,456.99x = 2,249,287,909.86
  5. Step 5: Solve for x
    x = 2,249,287,909.86/53,456.99
  6. Step 6: Final answer
    x = 42,076.59

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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.