Home / 37,543.08-51,809.54-20,776.20

Finding the Fourth Proportional to 37,543.08, 51,809.54 and 20,776.20

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Solution

The fourth proportional to 37,543.08, 51,809.54 and 20,776.20 is: 28,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.08 : 51,809.54 = 20,776.20 : x
  2. Step 2: Convert to fraction form
    37,543.08/51,809.54 = 20,776.20/x
  3. Step 3: Cross multiply
    37,543.08x = 51,809.54 × 20,776.20
  4. Step 4: Simplify right side
    37,543.08x = 1,076,405,364.95
  5. Step 5: Solve for x
    x = 1,076,405,364.95/37,543.08
  6. Step 6: Final answer
    x = 28,671.21

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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.