Home / 36,715.48-55,073.12-10,420.25

Finding the Fourth Proportional to 36,715.48, 55,073.12 and 10,420.25

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Solution

The fourth proportional to 36,715.48, 55,073.12 and 10,420.25 is: 15,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.48 : 55,073.12 = 10,420.25 : x
  2. Step 2: Convert to fraction form
    36,715.48/55,073.12 = 10,420.25/x
  3. Step 3: Cross multiply
    36,715.48x = 55,073.12 × 10,420.25
  4. Step 4: Simplify right side
    36,715.48x = 573,875,351.21
  5. Step 5: Solve for x
    x = 573,875,351.21/36,715.48
  6. Step 6: Final answer
    x = 15,630.34

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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.