Home / 42,660.70-64,015.35-16,384.30

Finding the Fourth Proportional to 42,660.70, 64,015.35 and 16,384.30

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Solution

The fourth proportional to 42,660.70, 64,015.35 and 16,384.30 is: 24,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.70 : 64,015.35 = 16,384.30 : x
  2. Step 2: Convert to fraction form
    42,660.70/64,015.35 = 16,384.30/x
  3. Step 3: Cross multiply
    42,660.70x = 64,015.35 × 16,384.30
  4. Step 4: Simplify right side
    42,660.70x = 1,048,846,699.01
  5. Step 5: Solve for x
    x = 1,048,846,699.01/42,660.70
  6. Step 6: Final answer
    x = 24,585.78

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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.