Home / 30,039.93-41,455.32-16,428.06

Finding the Fourth Proportional to 30,039.93, 41,455.32 and 16,428.06

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Solution

The fourth proportional to 30,039.93, 41,455.32 and 16,428.06 is: 22,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.93 : 41,455.32 = 16,428.06 : x
  2. Step 2: Convert to fraction form
    30,039.93/41,455.32 = 16,428.06/x
  3. Step 3: Cross multiply
    30,039.93x = 41,455.32 × 16,428.06
  4. Step 4: Simplify right side
    30,039.93x = 681,030,484.28
  5. Step 5: Solve for x
    x = 681,030,484.28/30,039.93
  6. Step 6: Final answer
    x = 22,670.84

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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.