Home / 65,386.34-98,066.57-17,989.19

Finding the Fourth Proportional to 65,386.34, 98,066.57 and 17,989.19

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Solution

The fourth proportional to 65,386.34, 98,066.57 and 17,989.19 is: 26,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386.34 : 98,066.57 = 17,989.19 : x
  2. Step 2: Convert to fraction form
    65,386.34/98,066.57 = 17,989.19/x
  3. Step 3: Cross multiply
    65,386.34x = 98,066.57 × 17,989.19
  4. Step 4: Simplify right side
    65,386.34x = 1,764,137,947.85
  5. Step 5: Solve for x
    x = 1,764,137,947.85/65,386.34
  6. Step 6: Final answer
    x = 26,980.22

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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.