Home / 32,836.13-45,313.80-19,412.21

Finding the Fourth Proportional to 32,836.13, 45,313.80 and 19,412.21

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Solution

The fourth proportional to 32,836.13, 45,313.80 and 19,412.21 is: 26,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,836.13 : 45,313.80 = 19,412.21 : x
  2. Step 2: Convert to fraction form
    32,836.13/45,313.80 = 19,412.21/x
  3. Step 3: Cross multiply
    32,836.13x = 45,313.80 × 19,412.21
  4. Step 4: Simplify right side
    32,836.13x = 879,641,001.50
  5. Step 5: Solve for x
    x = 879,641,001.50/32,836.13
  6. Step 6: Final answer
    x = 26,788.81

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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.