Home / 75,056.81-112,576.85-18,896.90

Finding the Fourth Proportional to 75,056.81, 112,576.85 and 18,896.90

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Solution

The fourth proportional to 75,056.81, 112,576.85 and 18,896.90 is: 28,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056.81 : 112,576.85 = 18,896.90 : x
  2. Step 2: Convert to fraction form
    75,056.81/112,576.85 = 18,896.90/x
  3. Step 3: Cross multiply
    75,056.81x = 112,576.85 × 18,896.90
  4. Step 4: Simplify right side
    75,056.81x = 2,127,353,382.28
  5. Step 5: Solve for x
    x = 2,127,353,382.28/75,056.81
  6. Step 6: Final answer
    x = 28,343.24

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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.