Home / 32,742.31-45,189.83-19,316.87

Finding the Fourth Proportional to 32,742.31, 45,189.83 and 19,316.87

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Solution

The fourth proportional to 32,742.31, 45,189.83 and 19,316.87 is: 26,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.31 : 45,189.83 = 19,316.87 : x
  2. Step 2: Convert to fraction form
    32,742.31/45,189.83 = 19,316.87/x
  3. Step 3: Cross multiply
    32,742.31x = 45,189.83 × 19,316.87
  4. Step 4: Simplify right side
    32,742.31x = 872,925,934.31
  5. Step 5: Solve for x
    x = 872,925,934.31/32,742.31
  6. Step 6: Final answer
    x = 26,660.48

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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.