Home / 36,423.16-50,263.18-20,290.40

Finding the Fourth Proportional to 36,423.16, 50,263.18 and 20,290.40

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Solution

The fourth proportional to 36,423.16, 50,263.18 and 20,290.40 is: 28,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.16 : 50,263.18 = 20,290.40 : x
  2. Step 2: Convert to fraction form
    36,423.16/50,263.18 = 20,290.40/x
  3. Step 3: Cross multiply
    36,423.16x = 50,263.18 × 20,290.40
  4. Step 4: Simplify right side
    36,423.16x = 1,019,860,027.47
  5. Step 5: Solve for x
    x = 1,019,860,027.47/36,423.16
  6. Step 6: Final answer
    x = 28,000.32

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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.