Home / 56,130.81-84,123.32-22,812.11

Finding the Fourth Proportional to 56,130.81, 84,123.32 and 22,812.11

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Solution

The fourth proportional to 56,130.81, 84,123.32 and 22,812.11 is: 34,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.81 : 84,123.32 = 22,812.11 : x
  2. Step 2: Convert to fraction form
    56,130.81/84,123.32 = 22,812.11/x
  3. Step 3: Cross multiply
    56,130.81x = 84,123.32 × 22,812.11
  4. Step 4: Simplify right side
    56,130.81x = 1,919,029,980.27
  5. Step 5: Solve for x
    x = 1,919,029,980.27/56,130.81
  6. Step 6: Final answer
    x = 34,188.53

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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.