Home / 56,053.44-77,354-30,904.64

Finding the Fourth Proportional to 56,053.44, 77,354 and 30,904.64

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Solution

The fourth proportional to 56,053.44, 77,354 and 30,904.64 is: 42,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.44 : 77,354 = 30,904.64 : x
  2. Step 2: Convert to fraction form
    56,053.44/77,354 = 30,904.64/x
  3. Step 3: Cross multiply
    56,053.44x = 77,354 × 30,904.64
  4. Step 4: Simplify right side
    56,053.44x = 2,390,597,522.56
  5. Step 5: Solve for x
    x = 2,390,597,522.56/56,053.44
  6. Step 6: Final answer
    x = 42,648.54

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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.