Home / 38,417.86-57,613.80-18,683.86

Finding the Fourth Proportional to 38,417.86, 57,613.80 and 18,683.86

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Solution

The fourth proportional to 38,417.86, 57,613.80 and 18,683.86 is: 28,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.86 : 57,613.80 = 18,683.86 : x
  2. Step 2: Convert to fraction form
    38,417.86/57,613.80 = 18,683.86/x
  3. Step 3: Cross multiply
    38,417.86x = 57,613.80 × 18,683.86
  4. Step 4: Simplify right side
    38,417.86x = 1,076,448,173.27
  5. Step 5: Solve for x
    x = 1,076,448,173.27/38,417.86
  6. Step 6: Final answer
    x = 28,019.47

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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.