Home / 30,160.47-41,619.57-16,731.45

Finding the Fourth Proportional to 30,160.47, 41,619.57 and 16,731.45

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Solution

The fourth proportional to 30,160.47, 41,619.57 and 16,731.45 is: 23,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.47 : 41,619.57 = 16,731.45 : x
  2. Step 2: Convert to fraction form
    30,160.47/41,619.57 = 16,731.45/x
  3. Step 3: Cross multiply
    30,160.47x = 41,619.57 × 16,731.45
  4. Step 4: Simplify right side
    30,160.47x = 696,355,754.48
  5. Step 5: Solve for x
    x = 696,355,754.48/30,160.47
  6. Step 6: Final answer
    x = 23,088.36

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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.