Home / 56,395.37-77,825.57-30,903.39

Finding the Fourth Proportional to 56,395.37, 77,825.57 and 30,903.39

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Solution

The fourth proportional to 56,395.37, 77,825.57 and 30,903.39 is: 42,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,395.37 : 77,825.57 = 30,903.39 : x
  2. Step 2: Convert to fraction form
    56,395.37/77,825.57 = 30,903.39/x
  3. Step 3: Cross multiply
    56,395.37x = 77,825.57 × 30,903.39
  4. Step 4: Simplify right side
    56,395.37x = 2,405,073,787.17
  5. Step 5: Solve for x
    x = 2,405,073,787.17/56,395.37
  6. Step 6: Final answer
    x = 42,646.65

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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.