Home / 35,305.47-48,700.15-20,955.84

Finding the Fourth Proportional to 35,305.47, 48,700.15 and 20,955.84

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Solution

The fourth proportional to 35,305.47, 48,700.15 and 20,955.84 is: 28,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.47 : 48,700.15 = 20,955.84 : x
  2. Step 2: Convert to fraction form
    35,305.47/48,700.15 = 20,955.84/x
  3. Step 3: Cross multiply
    35,305.47x = 48,700.15 × 20,955.84
  4. Step 4: Simplify right side
    35,305.47x = 1,020,552,551.38
  5. Step 5: Solve for x
    x = 1,020,552,551.38/35,305.47
  6. Step 6: Final answer
    x = 28,906.36

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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.