Home / 43,330.79-64,999.87-12,166.04

Finding the Fourth Proportional to 43,330.79, 64,999.87 and 12,166.04

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Solution

The fourth proportional to 43,330.79, 64,999.87 and 12,166.04 is: 18,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.79 : 64,999.87 = 12,166.04 : x
  2. Step 2: Convert to fraction form
    43,330.79/64,999.87 = 12,166.04/x
  3. Step 3: Cross multiply
    43,330.79x = 64,999.87 × 12,166.04
  4. Step 4: Simplify right side
    43,330.79x = 790,791,150.50
  5. Step 5: Solve for x
    x = 790,791,150.50/43,330.79
  6. Step 6: Final answer
    x = 18,250.10

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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.