Home / 32,742.27-45,189.75-19,316.81

Finding the Fourth Proportional to 32,742.27, 45,189.75 and 19,316.81

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Solution

The fourth proportional to 32,742.27, 45,189.75 and 19,316.81 is: 26,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.27 : 45,189.75 = 19,316.81 : x
  2. Step 2: Convert to fraction form
    32,742.27/45,189.75 = 19,316.81/x
  3. Step 3: Cross multiply
    32,742.27x = 45,189.75 × 19,316.81
  4. Step 4: Simplify right side
    32,742.27x = 872,921,588.75
  5. Step 5: Solve for x
    x = 872,921,588.75/32,742.27
  6. Step 6: Final answer
    x = 26,660.39

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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.