Home / 32,939.35-45,437.78-20,836.08

Finding the Fourth Proportional to 32,939.35, 45,437.78 and 20,836.08

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Solution

The fourth proportional to 32,939.35, 45,437.78 and 20,836.08 is: 28,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.35 : 45,437.78 = 20,836.08 : x
  2. Step 2: Convert to fraction form
    32,939.35/45,437.78 = 20,836.08/x
  3. Step 3: Cross multiply
    32,939.35x = 45,437.78 × 20,836.08
  4. Step 4: Simplify right side
    32,939.35x = 946,745,271.19
  5. Step 5: Solve for x
    x = 946,745,271.19/32,939.35
  6. Step 6: Final answer
    x = 28,742.08

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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.