Home / 30,857.56-42,583.50-16,710.32

Finding the Fourth Proportional to 30,857.56, 42,583.50 and 16,710.32

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Solution

The fourth proportional to 30,857.56, 42,583.50 and 16,710.32 is: 23,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.56 : 42,583.50 = 16,710.32 : x
  2. Step 2: Convert to fraction form
    30,857.56/42,583.50 = 16,710.32/x
  3. Step 3: Cross multiply
    30,857.56x = 42,583.50 × 16,710.32
  4. Step 4: Simplify right side
    30,857.56x = 711,583,911.72
  5. Step 5: Solve for x
    x = 711,583,911.72/30,857.56
  6. Step 6: Final answer
    x = 23,060.28

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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.