Home / 30,259.81-41,757.93-16,830.77

Finding the Fourth Proportional to 30,259.81, 41,757.93 and 16,830.77

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Solution

The fourth proportional to 30,259.81, 41,757.93 and 16,830.77 is: 23,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.81 : 41,757.93 = 16,830.77 : x
  2. Step 2: Convert to fraction form
    30,259.81/41,757.93 = 16,830.77/x
  3. Step 3: Cross multiply
    30,259.81x = 41,757.93 × 16,830.77
  4. Step 4: Simplify right side
    30,259.81x = 702,818,219.90
  5. Step 5: Solve for x
    x = 702,818,219.90/30,259.81
  6. Step 6: Final answer
    x = 23,226.13

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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.