Home / 35,055.57-48,376.35-21,621.45

Finding the Fourth Proportional to 35,055.57, 48,376.35 and 21,621.45

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Solution

The fourth proportional to 35,055.57, 48,376.35 and 21,621.45 is: 29,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,055.57 : 48,376.35 = 21,621.45 : x
  2. Step 2: Convert to fraction form
    35,055.57/48,376.35 = 21,621.45/x
  3. Step 3: Cross multiply
    35,055.57x = 48,376.35 × 21,621.45
  4. Step 4: Simplify right side
    35,055.57x = 1,045,966,832.71
  5. Step 5: Solve for x
    x = 1,045,966,832.71/35,055.57
  6. Step 6: Final answer
    x = 29,837.39

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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.