Home / 40,443.57-60,603.93-28,621.49

Finding the Fourth Proportional to 40,443.57, 60,603.93 and 28,621.49

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Solution

The fourth proportional to 40,443.57, 60,603.93 and 28,621.49 is: 42,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.57 : 60,603.93 = 28,621.49 : x
  2. Step 2: Convert to fraction form
    40,443.57/60,603.93 = 28,621.49/x
  3. Step 3: Cross multiply
    40,443.57x = 60,603.93 × 28,621.49
  4. Step 4: Simplify right side
    40,443.57x = 1,734,574,473.44
  5. Step 5: Solve for x
    x = 1,734,574,473.44/40,443.57
  6. Step 6: Final answer
    x = 42,888.76

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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.