Home / 31,030,959.96-42,822,724.32-17,985,785.58

Finding the Fourth Proportional to 31,030,959.96, 42,822,724.32 and 17,985,785.58

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Solution

The fourth proportional to 31,030,959.96, 42,822,724.32 and 17,985,785.58 is: 24,820,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,959.96 : 42,822,724.32 = 17,985,785.58 : x
  2. Step 2: Convert to fraction form
    31,030,959.96/42,822,724.32 = 17,985,785.58/x
  3. Step 3: Cross multiply
    31,030,959.96x = 42,822,724.32 × 17,985,785.58
  4. Step 4: Simplify right side
    31,030,959.96x = 770,200,337,570,971.25
  5. Step 5: Solve for x
    x = 770,200,337,570,971.25/31,030,959.96
  6. Step 6: Final answer
    x = 24,820,383.85

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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.