Home / 56,130.24-84,150.96-21,066

Finding the Fourth Proportional to 56,130.24, 84,150.96 and 21,066

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Solution

The fourth proportional to 56,130.24, 84,150.96 and 21,066 is: 31,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.24 : 84,150.96 = 21,066 : x
  2. Step 2: Convert to fraction form
    56,130.24/84,150.96 = 21,066/x
  3. Step 3: Cross multiply
    56,130.24x = 84,150.96 × 21,066
  4. Step 4: Simplify right side
    56,130.24x = 1,772,724,123.36
  5. Step 5: Solve for x
    x = 1,772,724,123.36/56,130.24
  6. Step 6: Final answer
    x = 31,582.34

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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.