Home / 56,804.10-85,205.35-25,639.30

Finding the Fourth Proportional to 56,804.10, 85,205.35 and 25,639.30

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Solution

The fourth proportional to 56,804.10, 85,205.35 and 25,639.30 is: 38,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,804.10 : 85,205.35 = 25,639.30 : x
  2. Step 2: Convert to fraction form
    56,804.10/85,205.35 = 25,639.30/x
  3. Step 3: Cross multiply
    56,804.10x = 85,205.35 × 25,639.30
  4. Step 4: Simplify right side
    56,804.10x = 2,184,605,530.26
  5. Step 5: Solve for x
    x = 2,184,605,530.26/56,804.10
  6. Step 6: Final answer
    x = 38,458.59

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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.