Home / 53,767.85-74,178.32-31,102.63

Finding the Fourth Proportional to 53,767.85, 74,178.32 and 31,102.63

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Solution

The fourth proportional to 53,767.85, 74,178.32 and 31,102.63 is: 42,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,767.85 : 74,178.32 = 31,102.63 : x
  2. Step 2: Convert to fraction form
    53,767.85/74,178.32 = 31,102.63/x
  3. Step 3: Cross multiply
    53,767.85x = 74,178.32 × 31,102.63
  4. Step 4: Simplify right side
    53,767.85x = 2,307,140,500.02
  5. Step 5: Solve for x
    x = 2,307,140,500.02/53,767.85
  6. Step 6: Final answer
    x = 42,909.30

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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.