Home / 64,875.32-97,316.82-18,128.19

Finding the Fourth Proportional to 64,875.32, 97,316.82 and 18,128.19

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Solution

The fourth proportional to 64,875.32, 97,316.82 and 18,128.19 is: 27,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.32 : 97,316.82 = 18,128.19 : x
  2. Step 2: Convert to fraction form
    64,875.32/97,316.82 = 18,128.19/x
  3. Step 3: Cross multiply
    64,875.32x = 97,316.82 × 18,128.19
  4. Step 4: Simplify right side
    64,875.32x = 1,764,177,803.16
  5. Step 5: Solve for x
    x = 1,764,177,803.16/64,875.32
  6. Step 6: Final answer
    x = 27,193.36

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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.