Home / 51,680.01-77,520.32-18,401.37

Finding the Fourth Proportional to 51,680.01, 77,520.32 and 18,401.37

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Solution

The fourth proportional to 51,680.01, 77,520.32 and 18,401.37 is: 27,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.01 : 77,520.32 = 18,401.37 : x
  2. Step 2: Convert to fraction form
    51,680.01/77,520.32 = 18,401.37/x
  3. Step 3: Cross multiply
    51,680.01x = 77,520.32 × 18,401.37
  4. Step 4: Simplify right side
    51,680.01x = 1,426,480,090.84
  5. Step 5: Solve for x
    x = 1,426,480,090.84/51,680.01
  6. Step 6: Final answer
    x = 27,602.16

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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.