Home / 42,817.40-64,232.25-13,237.54

Finding the Fourth Proportional to 42,817.40, 64,232.25 and 13,237.54

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Solution

The fourth proportional to 42,817.40, 64,232.25 and 13,237.54 is: 19,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,817.40 : 64,232.25 = 13,237.54 : x
  2. Step 2: Convert to fraction form
    42,817.40/64,232.25 = 13,237.54/x
  3. Step 3: Cross multiply
    42,817.40x = 64,232.25 × 13,237.54
  4. Step 4: Simplify right side
    42,817.40x = 850,276,978.67
  5. Step 5: Solve for x
    x = 850,276,978.67/42,817.40
  6. Step 6: Final answer
    x = 19,858.21

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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.