Home / 53,727.10-80,606.75-21,689.67

Finding the Fourth Proportional to 53,727.10, 80,606.75 and 21,689.67

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Solution

The fourth proportional to 53,727.10, 80,606.75 and 21,689.67 is: 32,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.10 : 80,606.75 = 21,689.67 : x
  2. Step 2: Convert to fraction form
    53,727.10/80,606.75 = 21,689.67/x
  3. Step 3: Cross multiply
    53,727.10x = 80,606.75 × 21,689.67
  4. Step 4: Simplify right side
    53,727.10x = 1,748,334,001.10
  5. Step 5: Solve for x
    x = 1,748,334,001.10/53,727.10
  6. Step 6: Final answer
    x = 32,541.01

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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.