Home / 53,998.80-74,516.91-30,124.86

Finding the Fourth Proportional to 53,998.80, 74,516.91 and 30,124.86

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Solution

The fourth proportional to 53,998.80, 74,516.91 and 30,124.86 is: 41,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,998.80 : 74,516.91 = 30,124.86 : x
  2. Step 2: Convert to fraction form
    53,998.80/74,516.91 = 30,124.86/x
  3. Step 3: Cross multiply
    53,998.80x = 74,516.91 × 30,124.86
  4. Step 4: Simplify right side
    53,998.80x = 2,244,811,368.41
  5. Step 5: Solve for x
    x = 2,244,811,368.41/53,998.80
  6. Step 6: Final answer
    x = 41,571.50

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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.