Home / 56,141.26-77,475.09-30,647.65

Finding the Fourth Proportional to 56,141.26, 77,475.09 and 30,647.65

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Solution

The fourth proportional to 56,141.26, 77,475.09 and 30,647.65 is: 42,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.26 : 77,475.09 = 30,647.65 : x
  2. Step 2: Convert to fraction form
    56,141.26/77,475.09 = 30,647.65/x
  3. Step 3: Cross multiply
    56,141.26x = 77,475.09 × 30,647.65
  4. Step 4: Simplify right side
    56,141.26x = 2,374,429,054.66
  5. Step 5: Solve for x
    x = 2,374,429,054.66/56,141.26
  6. Step 6: Final answer
    x = 42,293.84

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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.