Home / 74,673.36-112,008.51-18,513.54

Finding the Fourth Proportional to 74,673.36, 112,008.51 and 18,513.54

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Solution

The fourth proportional to 74,673.36, 112,008.51 and 18,513.54 is: 27,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.36 : 112,008.51 = 18,513.54 : x
  2. Step 2: Convert to fraction form
    74,673.36/112,008.51 = 18,513.54/x
  3. Step 3: Cross multiply
    74,673.36x = 112,008.51 × 18,513.54
  4. Step 4: Simplify right side
    74,673.36x = 2,073,674,030.23
  5. Step 5: Solve for x
    x = 2,073,674,030.23/74,673.36
  6. Step 6: Final answer
    x = 27,769.93

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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.