Home / 42,849.30-64,273.95-30,164.70

Finding the Fourth Proportional to 42,849.30, 64,273.95 and 30,164.70

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Solution

The fourth proportional to 42,849.30, 64,273.95 and 30,164.70 is: 45,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849.30 : 64,273.95 = 30,164.70 : x
  2. Step 2: Convert to fraction form
    42,849.30/64,273.95 = 30,164.70/x
  3. Step 3: Cross multiply
    42,849.30x = 64,273.95 × 30,164.70
  4. Step 4: Simplify right side
    42,849.30x = 1,938,804,419.57
  5. Step 5: Solve for x
    x = 1,938,804,419.57/42,849.30
  6. Step 6: Final answer
    x = 45,247.05

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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.