Home / 30,850.90-42,574.17-16,703.74

Finding the Fourth Proportional to 30,850.90, 42,574.17 and 16,703.74

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Solution

The fourth proportional to 30,850.90, 42,574.17 and 16,703.74 is: 23,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.90 : 42,574.17 = 16,703.74 : x
  2. Step 2: Convert to fraction form
    30,850.90/42,574.17 = 16,703.74/x
  3. Step 3: Cross multiply
    30,850.90x = 42,574.17 × 16,703.74
  4. Step 4: Simplify right side
    30,850.90x = 711,147,866.40
  5. Step 5: Solve for x
    x = 711,147,866.40/30,850.90
  6. Step 6: Final answer
    x = 23,051.12

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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.