Home / 56,634.08-78,153-31,483.04

Finding the Fourth Proportional to 56,634.08, 78,153 and 31,483.04

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Solution

The fourth proportional to 56,634.08, 78,153 and 31,483.04 is: 43,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.08 : 78,153 = 31,483.04 : x
  2. Step 2: Convert to fraction form
    56,634.08/78,153 = 31,483.04/x
  3. Step 3: Cross multiply
    56,634.08x = 78,153 × 31,483.04
  4. Step 4: Simplify right side
    56,634.08x = 2,460,494,025.12
  5. Step 5: Solve for x
    x = 2,460,494,025.12/56,634.08
  6. Step 6: Final answer
    x = 43,445.47

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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.