Home / 42,709.05-64,030.41-27,684.45

Finding the Fourth Proportional to 42,709.05, 64,030.41 and 27,684.45

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Solution

The fourth proportional to 42,709.05, 64,030.41 and 27,684.45 is: 41,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709.05 : 64,030.41 = 27,684.45 : x
  2. Step 2: Convert to fraction form
    42,709.05/64,030.41 = 27,684.45/x
  3. Step 3: Cross multiply
    42,709.05x = 64,030.41 × 27,684.45
  4. Step 4: Simplify right side
    42,709.05x = 1,772,646,684.12
  5. Step 5: Solve for x
    x = 1,772,646,684.12/42,709.05
  6. Step 6: Final answer
    x = 41,505.18

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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.