Home / 37,152.68-51,270.54-20,385.68

Finding the Fourth Proportional to 37,152.68, 51,270.54 and 20,385.68

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Solution

The fourth proportional to 37,152.68, 51,270.54 and 20,385.68 is: 28,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,152.68 : 51,270.54 = 20,385.68 : x
  2. Step 2: Convert to fraction form
    37,152.68/51,270.54 = 20,385.68/x
  3. Step 3: Cross multiply
    37,152.68x = 51,270.54 × 20,385.68
  4. Step 4: Simplify right side
    37,152.68x = 1,045,184,821.87
  5. Step 5: Solve for x
    x = 1,045,184,821.87/37,152.68
  6. Step 6: Final answer
    x = 28,132.15

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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.