Home / 35,420.47-48,903.74-22,011.73

Finding the Fourth Proportional to 35,420.47, 48,903.74 and 22,011.73

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Solution

The fourth proportional to 35,420.47, 48,903.74 and 22,011.73 is: 30,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.47 : 48,903.74 = 22,011.73 : x
  2. Step 2: Convert to fraction form
    35,420.47/48,903.74 = 22,011.73/x
  3. Step 3: Cross multiply
    35,420.47x = 48,903.74 × 22,011.73
  4. Step 4: Simplify right side
    35,420.47x = 1,076,455,920.87
  5. Step 5: Solve for x
    x = 1,076,455,920.87/35,420.47
  6. Step 6: Final answer
    x = 30,390.79

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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.