Home / 42,742.68-64,056.70-33,266.44

Finding the Fourth Proportional to 42,742.68, 64,056.70 and 33,266.44

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Solution

The fourth proportional to 42,742.68, 64,056.70 and 33,266.44 is: 49,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742.68 : 64,056.70 = 33,266.44 : x
  2. Step 2: Convert to fraction form
    42,742.68/64,056.70 = 33,266.44/x
  3. Step 3: Cross multiply
    42,742.68x = 64,056.70 × 33,266.44
  4. Step 4: Simplify right side
    42,742.68x = 2,130,938,367.15
  5. Step 5: Solve for x
    x = 2,130,938,367.15/42,742.68
  6. Step 6: Final answer
    x = 49,855.05

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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.