Home / 35,891.47-49,528.65-20,783.35

Finding the Fourth Proportional to 35,891.47, 49,528.65 and 20,783.35

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Solution

The fourth proportional to 35,891.47, 49,528.65 and 20,783.35 is: 28,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.47 : 49,528.65 = 20,783.35 : x
  2. Step 2: Convert to fraction form
    35,891.47/49,528.65 = 20,783.35/x
  3. Step 3: Cross multiply
    35,891.47x = 49,528.65 × 20,783.35
  4. Step 4: Simplify right side
    35,891.47x = 1,029,371,267.98
  5. Step 5: Solve for x
    x = 1,029,371,267.98/35,891.47
  6. Step 6: Final answer
    x = 28,680.11

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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.