Home / 30,579.84-45,795.60-15,547.41

Finding the Fourth Proportional to 30,579.84, 45,795.60 and 15,547.41

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Solution

The fourth proportional to 30,579.84, 45,795.60 and 15,547.41 is: 23,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.84 : 45,795.60 = 15,547.41 : x
  2. Step 2: Convert to fraction form
    30,579.84/45,795.60 = 15,547.41/x
  3. Step 3: Cross multiply
    30,579.84x = 45,795.60 × 15,547.41
  4. Step 4: Simplify right side
    30,579.84x = 712,002,969.40
  5. Step 5: Solve for x
    x = 712,002,969.40/30,579.84
  6. Step 6: Final answer
    x = 23,283.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.