Home / 32,859.30-45,349.40-20,121.06

Finding the Fourth Proportional to 32,859.30, 45,349.40 and 20,121.06

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Solution

The fourth proportional to 32,859.30, 45,349.40 and 20,121.06 is: 27,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.30 : 45,349.40 = 20,121.06 : x
  2. Step 2: Convert to fraction form
    32,859.30/45,349.40 = 20,121.06/x
  3. Step 3: Cross multiply
    32,859.30x = 45,349.40 × 20,121.06
  4. Step 4: Simplify right side
    32,859.30x = 912,477,998.36
  5. Step 5: Solve for x
    x = 912,477,998.36/32,859.30
  6. Step 6: Final answer
    x = 27,769.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.