Home / 36,018.16-54,031.34-18,492.09

Finding the Fourth Proportional to 36,018.16, 54,031.34 and 18,492.09

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Solution

The fourth proportional to 36,018.16, 54,031.34 and 18,492.09 is: 27,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.16 : 54,031.34 = 18,492.09 : x
  2. Step 2: Convert to fraction form
    36,018.16/54,031.34 = 18,492.09/x
  3. Step 3: Cross multiply
    36,018.16x = 54,031.34 × 18,492.09
  4. Step 4: Simplify right side
    36,018.16x = 999,152,402.10
  5. Step 5: Solve for x
    x = 999,152,402.10/36,018.16
  6. Step 6: Final answer
    x = 27,740.24

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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.