Home / 43,299.40-64,949.10-42,003.40

Finding the Fourth Proportional to 43,299.40, 64,949.10 and 42,003.40

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Solution

The fourth proportional to 43,299.40, 64,949.10 and 42,003.40 is: 63,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.40 : 64,949.10 = 42,003.40 : x
  2. Step 2: Convert to fraction form
    43,299.40/64,949.10 = 42,003.40/x
  3. Step 3: Cross multiply
    43,299.40x = 64,949.10 × 42,003.40
  4. Step 4: Simplify right side
    43,299.40x = 2,728,083,026.94
  5. Step 5: Solve for x
    x = 2,728,083,026.94/43,299.40
  6. Step 6: Final answer
    x = 63,005.10

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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.