Home / 56,360.24-84,541.32-21,316.40

Finding the Fourth Proportional to 56,360.24, 84,541.32 and 21,316.40

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Solution

The fourth proportional to 56,360.24, 84,541.32 and 21,316.40 is: 31,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.24 : 84,541.32 = 21,316.40 : x
  2. Step 2: Convert to fraction form
    56,360.24/84,541.32 = 21,316.40/x
  3. Step 3: Cross multiply
    56,360.24x = 84,541.32 × 21,316.40
  4. Step 4: Simplify right side
    56,360.24x = 1,802,116,593.65
  5. Step 5: Solve for x
    x = 1,802,116,593.65/56,360.24
  6. Step 6: Final answer
    x = 31,974.96

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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.