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Finding the Fourth Proportional to 56,354.58, 77,768.37 and 31,203.54

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Solution

The fourth proportional to 56,354.58, 77,768.37 and 31,203.54 is: 43,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.58 : 77,768.37 = 31,203.54 : x
  2. Step 2: Convert to fraction form
    56,354.58/77,768.37 = 31,203.54/x
  3. Step 3: Cross multiply
    56,354.58x = 77,768.37 × 31,203.54
  4. Step 4: Simplify right side
    56,354.58x = 2,426,648,444.03
  5. Step 5: Solve for x
    x = 2,426,648,444.03/56,354.58
  6. Step 6: Final answer
    x = 43,060.36

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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.