Home / 35,812.73-49,434.80-30,756.63

Finding the Fourth Proportional to 35,812.73, 49,434.80 and 30,756.63

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Solution

The fourth proportional to 35,812.73, 49,434.80 and 30,756.63 is: 42,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.73 : 49,434.80 = 30,756.63 : x
  2. Step 2: Convert to fraction form
    35,812.73/49,434.80 = 30,756.63/x
  3. Step 3: Cross multiply
    35,812.73x = 49,434.80 × 30,756.63
  4. Step 4: Simplify right side
    35,812.73x = 1,520,447,698.94
  5. Step 5: Solve for x
    x = 1,520,447,698.94/35,812.73
  6. Step 6: Final answer
    x = 42,455.52

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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.