Home / 54,315.10-81,448.35-21,024.10

Finding the Fourth Proportional to 54,315.10, 81,448.35 and 21,024.10

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Solution

The fourth proportional to 54,315.10, 81,448.35 and 21,024.10 is: 31,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.10 : 81,448.35 = 21,024.10 : x
  2. Step 2: Convert to fraction form
    54,315.10/81,448.35 = 21,024.10/x
  3. Step 3: Cross multiply
    54,315.10x = 81,448.35 × 21,024.10
  4. Step 4: Simplify right side
    54,315.10x = 1,712,378,255.24
  5. Step 5: Solve for x
    x = 1,712,378,255.24/54,315.10
  6. Step 6: Final answer
    x = 31,526.74

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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.