Home / 65,988.86-98,973.46-21,617.26

Finding the Fourth Proportional to 65,988.86, 98,973.46 and 21,617.26

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Solution

The fourth proportional to 65,988.86, 98,973.46 and 21,617.26 is: 32,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,988.86 : 98,973.46 = 21,617.26 : x
  2. Step 2: Convert to fraction form
    65,988.86/98,973.46 = 21,617.26/x
  3. Step 3: Cross multiply
    65,988.86x = 98,973.46 × 21,617.26
  4. Step 4: Simplify right side
    65,988.86x = 2,139,535,017.92
  5. Step 5: Solve for x
    x = 2,139,535,017.92/65,988.86
  6. Step 6: Final answer
    x = 32,422.67

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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.