Home / 43,012.40-64,432.20-29,015.60

Finding the Fourth Proportional to 43,012.40, 64,432.20 and 29,015.60

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Solution

The fourth proportional to 43,012.40, 64,432.20 and 29,015.60 is: 43,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.40 : 64,432.20 = 29,015.60 : x
  2. Step 2: Convert to fraction form
    43,012.40/64,432.20 = 29,015.60/x
  3. Step 3: Cross multiply
    43,012.40x = 64,432.20 × 29,015.60
  4. Step 4: Simplify right side
    43,012.40x = 1,869,538,942.32
  5. Step 5: Solve for x
    x = 1,869,538,942.32/43,012.40
  6. Step 6: Final answer
    x = 43,465.12

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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.