Home / 30,831,256.44-42,536,659.46-17,590,921.63

Finding the Fourth Proportional to 30,831,256.44, 42,536,659.46 and 17,590,921.63

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Solution

The fourth proportional to 30,831,256.44, 42,536,659.46 and 17,590,921.63 is: 24,269,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,256.44 : 42,536,659.46 = 17,590,921.63 : x
  2. Step 2: Convert to fraction form
    30,831,256.44/42,536,659.46 = 17,590,921.63/x
  3. Step 3: Cross multiply
    30,831,256.44x = 42,536,659.46 × 17,590,921.63
  4. Step 4: Simplify right side
    30,831,256.44x = 748,259,042,962,858.12
  5. Step 5: Solve for x
    x = 748,259,042,962,858.12/30,831,256.44
  6. Step 6: Final answer
    x = 24,269,495.61

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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.