Home / 43,109.04-64,664.40-13,527.84

Finding the Fourth Proportional to 43,109.04, 64,664.40 and 13,527.84

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Solution

The fourth proportional to 43,109.04, 64,664.40 and 13,527.84 is: 20,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109.04 : 64,664.40 = 13,527.84 : x
  2. Step 2: Convert to fraction form
    43,109.04/64,664.40 = 13,527.84/x
  3. Step 3: Cross multiply
    43,109.04x = 64,664.40 × 13,527.84
  4. Step 4: Simplify right side
    43,109.04x = 874,769,656.90
  5. Step 5: Solve for x
    x = 874,769,656.90/43,109.04
  6. Step 6: Final answer
    x = 20,292.02

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1.5x scale

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.