Home / 43,089.68-64,632.64-13,506.84

Finding the Fourth Proportional to 43,089.68, 64,632.64 and 13,506.84

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Solution

The fourth proportional to 43,089.68, 64,632.64 and 13,506.84 is: 20,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,089.68 : 64,632.64 = 13,506.84 : x
  2. Step 2: Convert to fraction form
    43,089.68/64,632.64 = 13,506.84/x
  3. Step 3: Cross multiply
    43,089.68x = 64,632.64 × 13,506.84
  4. Step 4: Simplify right side
    43,089.68x = 872,982,727.26
  5. Step 5: Solve for x
    x = 872,982,727.26/43,089.68
  6. Step 6: Final answer
    x = 20,259.67

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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.