Home / 65,790.56-98,695.55-19,037.36

Finding the Fourth Proportional to 65,790.56, 98,695.55 and 19,037.36

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Solution

The fourth proportional to 65,790.56, 98,695.55 and 19,037.36 is: 28,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.56 : 98,695.55 = 19,037.36 : x
  2. Step 2: Convert to fraction form
    65,790.56/98,695.55 = 19,037.36/x
  3. Step 3: Cross multiply
    65,790.56x = 98,695.55 × 19,037.36
  4. Step 4: Simplify right side
    65,790.56x = 1,878,903,010.08
  5. Step 5: Solve for x
    x = 1,878,903,010.08/65,790.56
  6. Step 6: Final answer
    x = 28,558.85

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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.