Home / 35,509.98-49,002.14-20,392.02

Finding the Fourth Proportional to 35,509.98, 49,002.14 and 20,392.02

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Solution

The fourth proportional to 35,509.98, 49,002.14 and 20,392.02 is: 28,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.98 : 49,002.14 = 20,392.02 : x
  2. Step 2: Convert to fraction form
    35,509.98/49,002.14 = 20,392.02/x
  3. Step 3: Cross multiply
    35,509.98x = 49,002.14 × 20,392.02
  4. Step 4: Simplify right side
    35,509.98x = 999,252,618.92
  5. Step 5: Solve for x
    x = 999,252,618.92/35,509.98
  6. Step 6: Final answer
    x = 28,140.05

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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.