Home / 30,885.51-42,622.02-16,738.35

Finding the Fourth Proportional to 30,885.51, 42,622.02 and 16,738.35

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Solution

The fourth proportional to 30,885.51, 42,622.02 and 16,738.35 is: 23,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.51 : 42,622.02 = 16,738.35 : x
  2. Step 2: Convert to fraction form
    30,885.51/42,622.02 = 16,738.35/x
  3. Step 3: Cross multiply
    30,885.51x = 42,622.02 × 16,738.35
  4. Step 4: Simplify right side
    30,885.51x = 713,422,288.47
  5. Step 5: Solve for x
    x = 713,422,288.47/30,885.51
  6. Step 6: Final answer
    x = 23,098.93

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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.