Home / 30,810.28-42,518.26-16,663.26

Finding the Fourth Proportional to 30,810.28, 42,518.26 and 16,663.26

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Solution

The fourth proportional to 30,810.28, 42,518.26 and 16,663.26 is: 22,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810.28 : 42,518.26 = 16,663.26 : x
  2. Step 2: Convert to fraction form
    30,810.28/42,518.26 = 16,663.26/x
  3. Step 3: Cross multiply
    30,810.28x = 42,518.26 × 16,663.26
  4. Step 4: Simplify right side
    30,810.28x = 708,492,821.13
  5. Step 5: Solve for x
    x = 708,492,821.13/30,810.28
  6. Step 6: Final answer
    x = 22,995.34

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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.