Home / 65,685.63-98,528.45-18,298.81

Finding the Fourth Proportional to 65,685.63, 98,528.45 and 18,298.81

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Solution

The fourth proportional to 65,685.63, 98,528.45 and 18,298.81 is: 27,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,685.63 : 98,528.45 = 18,298.81 : x
  2. Step 2: Convert to fraction form
    65,685.63/98,528.45 = 18,298.81/x
  3. Step 3: Cross multiply
    65,685.63x = 98,528.45 × 18,298.81
  4. Step 4: Simplify right side
    65,685.63x = 1,802,953,520.74
  5. Step 5: Solve for x
    x = 1,802,953,520.74/65,685.63
  6. Step 6: Final answer
    x = 27,448.22

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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.