Home / 56,465.26-77,922.46-30,971.81

Finding the Fourth Proportional to 56,465.26, 77,922.46 and 30,971.81

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Solution

The fourth proportional to 56,465.26, 77,922.46 and 30,971.81 is: 42,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.26 : 77,922.46 = 30,971.81 : x
  2. Step 2: Convert to fraction form
    56,465.26/77,922.46 = 30,971.81/x
  3. Step 3: Cross multiply
    56,465.26x = 77,922.46 × 30,971.81
  4. Step 4: Simplify right side
    56,465.26x = 2,413,399,743.23
  5. Step 5: Solve for x
    x = 2,413,399,743.23/56,465.26
  6. Step 6: Final answer
    x = 42,741.32

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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.