Home / 36,688.32-55,032.48-19,154.05

Finding the Fourth Proportional to 36,688.32, 55,032.48 and 19,154.05

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Solution

The fourth proportional to 36,688.32, 55,032.48 and 19,154.05 is: 28,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.32 : 55,032.48 = 19,154.05 : x
  2. Step 2: Convert to fraction form
    36,688.32/55,032.48 = 19,154.05/x
  3. Step 3: Cross multiply
    36,688.32x = 55,032.48 × 19,154.05
  4. Step 4: Simplify right side
    36,688.32x = 1,054,094,873.54
  5. Step 5: Solve for x
    x = 1,054,094,873.54/36,688.32
  6. Step 6: Final answer
    x = 28,731.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.