Home / 36,915.86-50,945.02-21,002.60

Finding the Fourth Proportional to 36,915.86, 50,945.02 and 21,002.60

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Solution

The fourth proportional to 36,915.86, 50,945.02 and 21,002.60 is: 28,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.86 : 50,945.02 = 21,002.60 : x
  2. Step 2: Convert to fraction form
    36,915.86/50,945.02 = 21,002.60/x
  3. Step 3: Cross multiply
    36,915.86x = 50,945.02 × 21,002.60
  4. Step 4: Simplify right side
    36,915.86x = 1,069,977,877.05
  5. Step 5: Solve for x
    x = 1,069,977,877.05/36,915.86
  6. Step 6: Final answer
    x = 28,984.23

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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.