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Finding the Fourth Proportional to 56,235.75, 77,607.03 and 30,741.54

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Solution

The fourth proportional to 56,235.75, 77,607.03 and 30,741.54 is: 42,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.75 : 77,607.03 = 30,741.54 : x
  2. Step 2: Convert to fraction form
    56,235.75/77,607.03 = 30,741.54/x
  3. Step 3: Cross multiply
    56,235.75x = 77,607.03 × 30,741.54
  4. Step 4: Simplify right side
    56,235.75x = 2,385,759,617.03
  5. Step 5: Solve for x
    x = 2,385,759,617.03/56,235.75
  6. Step 6: Final answer
    x = 42,424.25

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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.