Home / 56,867.42-85,312.06-21,804.34

Finding the Fourth Proportional to 56,867.42, 85,312.06 and 21,804.34

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Solution

The fourth proportional to 56,867.42, 85,312.06 and 21,804.34 is: 32,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.42 : 85,312.06 = 21,804.34 : x
  2. Step 2: Convert to fraction form
    56,867.42/85,312.06 = 21,804.34/x
  3. Step 3: Cross multiply
    56,867.42x = 85,312.06 × 21,804.34
  4. Step 4: Simplify right side
    56,867.42x = 1,860,172,626.76
  5. Step 5: Solve for x
    x = 1,860,172,626.76/56,867.42
  6. Step 6: Final answer
    x = 32,710.69

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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.