Home / 57,639.36-79,539.84-32,488.32

Finding the Fourth Proportional to 57,639.36, 79,539.84 and 32,488.32

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Solution

The fourth proportional to 57,639.36, 79,539.84 and 32,488.32 is: 44,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.36 : 79,539.84 = 32,488.32 : x
  2. Step 2: Convert to fraction form
    57,639.36/79,539.84 = 32,488.32/x
  3. Step 3: Cross multiply
    57,639.36x = 79,539.84 × 32,488.32
  4. Step 4: Simplify right side
    57,639.36x = 2,584,115,774.67
  5. Step 5: Solve for x
    x = 2,584,115,774.67/57,639.36
  6. Step 6: Final answer
    x = 44,832.49

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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.