Home / 43,200.30-64,800.45-12,035.55

Finding the Fourth Proportional to 43,200.30, 64,800.45 and 12,035.55

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Solution

The fourth proportional to 43,200.30, 64,800.45 and 12,035.55 is: 18,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.30 : 64,800.45 = 12,035.55 : x
  2. Step 2: Convert to fraction form
    43,200.30/64,800.45 = 12,035.55/x
  3. Step 3: Cross multiply
    43,200.30x = 64,800.45 × 12,035.55
  4. Step 4: Simplify right side
    43,200.30x = 779,909,056.00
  5. Step 5: Solve for x
    x = 779,909,056.00/43,200.30
  6. Step 6: Final answer
    x = 18,053.33

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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.