Home / 56,502.20-84,720-21,444.32

Finding the Fourth Proportional to 56,502.20, 84,720 and 21,444.32

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Solution

The fourth proportional to 56,502.20, 84,720 and 21,444.32 is: 32,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.20 : 84,720 = 21,444.32 : x
  2. Step 2: Convert to fraction form
    56,502.20/84,720 = 21,444.32/x
  3. Step 3: Cross multiply
    56,502.20x = 84,720 × 21,444.32
  4. Step 4: Simplify right side
    56,502.20x = 1,816,762,790.40
  5. Step 5: Solve for x
    x = 1,816,762,790.40/56,502.20
  6. Step 6: Final answer
    x = 32,153.84

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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.