Home / 56,374.70-84,569.81-18,945.48

Finding the Fourth Proportional to 56,374.70, 84,569.81 and 18,945.48

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Solution

The fourth proportional to 56,374.70, 84,569.81 and 18,945.48 is: 28,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,374.70 : 84,569.81 = 18,945.48 : x
  2. Step 2: Convert to fraction form
    56,374.70/84,569.81 = 18,945.48/x
  3. Step 3: Cross multiply
    56,374.70x = 84,569.81 × 18,945.48
  4. Step 4: Simplify right side
    56,374.70x = 1,602,215,549.23
  5. Step 5: Solve for x
    x = 1,602,215,549.23/56,374.70
  6. Step 6: Final answer
    x = 28,420.83

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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.