Home / 57,621.90-79,521.30-33,750.39

Finding the Fourth Proportional to 57,621.90, 79,521.30 and 33,750.39

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Solution

The fourth proportional to 57,621.90, 79,521.30 and 33,750.39 is: 46,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.90 : 79,521.30 = 33,750.39 : x
  2. Step 2: Convert to fraction form
    57,621.90/79,521.30 = 33,750.39/x
  3. Step 3: Cross multiply
    57,621.90x = 79,521.30 × 33,750.39
  4. Step 4: Simplify right side
    57,621.90x = 2,683,874,888.31
  5. Step 5: Solve for x
    x = 2,683,874,888.31/57,621.90
  6. Step 6: Final answer
    x = 46,577.34

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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.