Home / 61,840.56-92,759.76-19,720.02

Finding the Fourth Proportional to 61,840.56, 92,759.76 and 19,720.02

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Solution

The fourth proportional to 61,840.56, 92,759.76 and 19,720.02 is: 29,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,840.56 : 92,759.76 = 19,720.02 : x
  2. Step 2: Convert to fraction form
    61,840.56/92,759.76 = 19,720.02/x
  3. Step 3: Cross multiply
    61,840.56x = 92,759.76 × 19,720.02
  4. Step 4: Simplify right side
    61,840.56x = 1,829,224,322.40
  5. Step 5: Solve for x
    x = 1,829,224,322.40/61,840.56
  6. Step 6: Final answer
    x = 29,579.69

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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.