Home / 30,271.95-41,775.06-16,660.77

Finding the Fourth Proportional to 30,271.95, 41,775.06 and 16,660.77

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Solution

The fourth proportional to 30,271.95, 41,775.06 and 16,660.77 is: 22,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.95 : 41,775.06 = 16,660.77 : x
  2. Step 2: Convert to fraction form
    30,271.95/41,775.06 = 16,660.77/x
  3. Step 3: Cross multiply
    30,271.95x = 41,775.06 × 16,660.77
  4. Step 4: Simplify right side
    30,271.95x = 696,004,666.40
  5. Step 5: Solve for x
    x = 696,004,666.40/30,271.95
  6. Step 6: Final answer
    x = 22,991.74

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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.