Home / 32,887.12-45,384.72-18,739.66

Finding the Fourth Proportional to 32,887.12, 45,384.72 and 18,739.66

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Solution

The fourth proportional to 32,887.12, 45,384.72 and 18,739.66 is: 25,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.12 : 45,384.72 = 18,739.66 : x
  2. Step 2: Convert to fraction form
    32,887.12/45,384.72 = 18,739.66/x
  3. Step 3: Cross multiply
    32,887.12x = 45,384.72 × 18,739.66
  4. Step 4: Simplify right side
    32,887.12x = 850,494,222.00
  5. Step 5: Solve for x
    x = 850,494,222.00/32,887.12
  6. Step 6: Final answer
    x = 25,861.01

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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.