Home / 56,396.32-77,827.69-30,902.18

Finding the Fourth Proportional to 56,396.32, 77,827.69 and 30,902.18

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Solution

The fourth proportional to 56,396.32, 77,827.69 and 30,902.18 is: 42,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.32 : 77,827.69 = 30,902.18 : x
  2. Step 2: Convert to fraction form
    56,396.32/77,827.69 = 30,902.18/x
  3. Step 3: Cross multiply
    56,396.32x = 77,827.69 × 30,902.18
  4. Step 4: Simplify right side
    56,396.32x = 2,405,045,285.36
  5. Step 5: Solve for x
    x = 2,405,045,285.36/56,396.32
  6. Step 6: Final answer
    x = 42,645.43

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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.