Home / 30,587,241.77-42,181,052.72-20,551,435.76

Finding the Fourth Proportional to 30,587,241.77, 42,181,052.72 and 20,551,435.76

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Solution

The fourth proportional to 30,587,241.77, 42,181,052.72 and 20,551,435.76 is: 28,341,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587,241.77 : 42,181,052.72 = 20,551,435.76 : x
  2. Step 2: Convert to fraction form
    30,587,241.77/42,181,052.72 = 20,551,435.76/x
  3. Step 3: Cross multiply
    30,587,241.77x = 42,181,052.72 × 20,551,435.76
  4. Step 4: Simplify right side
    30,587,241.77x = 866,881,194,950,590.88
  5. Step 5: Solve for x
    x = 866,881,194,950,590.88/30,587,241.77
  6. Step 6: Final answer
    x = 28,341,267.30

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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.