Home / 43,328.49-64,995.04-13,748.64

Finding the Fourth Proportional to 43,328.49, 64,995.04 and 13,748.64

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Solution

The fourth proportional to 43,328.49, 64,995.04 and 13,748.64 is: 20,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.49 : 64,995.04 = 13,748.64 : x
  2. Step 2: Convert to fraction form
    43,328.49/64,995.04 = 13,748.64/x
  3. Step 3: Cross multiply
    43,328.49x = 64,995.04 × 13,748.64
  4. Step 4: Simplify right side
    43,328.49x = 893,593,406.75
  5. Step 5: Solve for x
    x = 893,593,406.75/43,328.49
  6. Step 6: Final answer
    x = 20,623.69

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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.