Home / 65,005.15-97,511.37-18,254.38

Finding the Fourth Proportional to 65,005.15, 97,511.37 and 18,254.38

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Solution

The fourth proportional to 65,005.15, 97,511.37 and 18,254.38 is: 27,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,005.15 : 97,511.37 = 18,254.38 : x
  2. Step 2: Convert to fraction form
    65,005.15/97,511.37 = 18,254.38/x
  3. Step 3: Cross multiply
    65,005.15x = 97,511.37 × 18,254.38
  4. Step 4: Simplify right side
    65,005.15x = 1,780,009,602.30
  5. Step 5: Solve for x
    x = 1,780,009,602.30/65,005.15
  6. Step 6: Final answer
    x = 27,382.59

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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.