Home / 30,237,153.66-41,744,252.31-20,958,208.38

Finding the Fourth Proportional to 30,237,153.66, 41,744,252.31 and 20,958,208.38

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Solution

The fourth proportional to 30,237,153.66, 41,744,252.31 and 20,958,208.38 is: 28,934,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237,153.66 : 41,744,252.31 = 20,958,208.38 : x
  2. Step 2: Convert to fraction form
    30,237,153.66/41,744,252.31 = 20,958,208.38/x
  3. Step 3: Cross multiply
    30,237,153.66x = 41,744,252.31 × 20,958,208.38
  4. Step 4: Simplify right side
    30,237,153.66x = 874,884,738,580,276.38
  5. Step 5: Solve for x
    x = 874,884,738,580,276.38/30,237,153.66
  6. Step 6: Final answer
    x = 28,934,097.05

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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.