Home / 36,303.12-54,420.66-14,130.72

Finding the Fourth Proportional to 36,303.12, 54,420.66 and 14,130.72

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Solution

The fourth proportional to 36,303.12, 54,420.66 and 14,130.72 is: 21,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303.12 : 54,420.66 = 14,130.72 : x
  2. Step 2: Convert to fraction form
    36,303.12/54,420.66 = 14,130.72/x
  3. Step 3: Cross multiply
    36,303.12x = 54,420.66 × 14,130.72
  4. Step 4: Simplify right side
    36,303.12x = 769,003,108.68
  5. Step 5: Solve for x
    x = 769,003,108.68/36,303.12
  6. Step 6: Final answer
    x = 21,182.84

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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.