Home / 43,302.74-64,955.91-13,719.92

Finding the Fourth Proportional to 43,302.74, 64,955.91 and 13,719.92

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Solution

The fourth proportional to 43,302.74, 64,955.91 and 13,719.92 is: 20,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.74 : 64,955.91 = 13,719.92 : x
  2. Step 2: Convert to fraction form
    43,302.74/64,955.91 = 13,719.92/x
  3. Step 3: Cross multiply
    43,302.74x = 64,955.91 × 13,719.92
  4. Step 4: Simplify right side
    43,302.74x = 891,189,563.95
  5. Step 5: Solve for x
    x = 891,189,563.95/43,302.74
  6. Step 6: Final answer
    x = 20,580.45

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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.