Home / 45,385.21-67,771.85-37,081.63

Finding the Fourth Proportional to 45,385.21, 67,771.85 and 37,081.63

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Solution

The fourth proportional to 45,385.21, 67,771.85 and 37,081.63 is: 55,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.21 : 67,771.85 = 37,081.63 : x
  2. Step 2: Convert to fraction form
    45,385.21/67,771.85 = 37,081.63/x
  3. Step 3: Cross multiply
    45,385.21x = 67,771.85 × 37,081.63
  4. Step 4: Simplify right side
    45,385.21x = 2,513,090,666.12
  5. Step 5: Solve for x
    x = 2,513,090,666.12/45,385.21
  6. Step 6: Final answer
    x = 55,372.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.