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Finding the Fourth Proportional to 57,720.58, 79,653.99 and 32,225.44

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Solution

The fourth proportional to 57,720.58, 79,653.99 and 32,225.44 is: 44,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.58 : 79,653.99 = 32,225.44 : x
  2. Step 2: Convert to fraction form
    57,720.58/79,653.99 = 32,225.44/x
  3. Step 3: Cross multiply
    57,720.58x = 79,653.99 × 32,225.44
  4. Step 4: Simplify right side
    57,720.58x = 2,566,884,875.51
  5. Step 5: Solve for x
    x = 2,566,884,875.51/57,720.58
  6. Step 6: Final answer
    x = 44,470.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.