Home / 53,336.69-79,831.42-39,291.20

Finding the Fourth Proportional to 53,336.69, 79,831.42 and 39,291.20

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Solution

The fourth proportional to 53,336.69, 79,831.42 and 39,291.20 is: 58,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,336.69 : 79,831.42 = 39,291.20 : x
  2. Step 2: Convert to fraction form
    53,336.69/79,831.42 = 39,291.20/x
  3. Step 3: Cross multiply
    53,336.69x = 79,831.42 × 39,291.20
  4. Step 4: Simplify right side
    53,336.69x = 3,136,672,289.50
  5. Step 5: Solve for x
    x = 3,136,672,289.50/53,336.69
  6. Step 6: Final answer
    x = 58,808.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.