Home / 30,955.02-42,716.73-16,807.54

Finding the Fourth Proportional to 30,955.02, 42,716.73 and 16,807.54

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Solution

The fourth proportional to 30,955.02, 42,716.73 and 16,807.54 is: 23,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.02 : 42,716.73 = 16,807.54 : x
  2. Step 2: Convert to fraction form
    30,955.02/42,716.73 = 16,807.54/x
  3. Step 3: Cross multiply
    30,955.02x = 42,716.73 × 16,807.54
  4. Step 4: Simplify right side
    30,955.02x = 717,963,148.14
  5. Step 5: Solve for x
    x = 717,963,148.14/30,955.02
  6. Step 6: Final answer
    x = 23,193.75

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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.