Home / 30,579.04-45,868.38-9,802.48

Finding the Fourth Proportional to 30,579.04, 45,868.38 and 9,802.48

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Solution

The fourth proportional to 30,579.04, 45,868.38 and 9,802.48 is: 14,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.04 : 45,868.38 = 9,802.48 : x
  2. Step 2: Convert to fraction form
    30,579.04/45,868.38 = 9,802.48/x
  3. Step 3: Cross multiply
    30,579.04x = 45,868.38 × 9,802.48
  4. Step 4: Simplify right side
    30,579.04x = 449,623,877.58
  5. Step 5: Solve for x
    x = 449,623,877.58/30,579.04
  6. Step 6: Final answer
    x = 14,703.66

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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.