Home / 56,097.87-77,409.67-30,945.75

Finding the Fourth Proportional to 56,097.87, 77,409.67 and 30,945.75

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Solution

The fourth proportional to 56,097.87, 77,409.67 and 30,945.75 is: 42,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,097.87 : 77,409.67 = 30,945.75 : x
  2. Step 2: Convert to fraction form
    56,097.87/77,409.67 = 30,945.75/x
  3. Step 3: Cross multiply
    56,097.87x = 77,409.67 × 30,945.75
  4. Step 4: Simplify right side
    56,097.87x = 2,395,500,295.40
  5. Step 5: Solve for x
    x = 2,395,500,295.40/56,097.87
  6. Step 6: Final answer
    x = 42,702.16

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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.