Home / 30,950.34-42,711.46-16,803.19

Finding the Fourth Proportional to 30,950.34, 42,711.46 and 16,803.19

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Solution

The fourth proportional to 30,950.34, 42,711.46 and 16,803.19 is: 23,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.34 : 42,711.46 = 16,803.19 : x
  2. Step 2: Convert to fraction form
    30,950.34/42,711.46 = 16,803.19/x
  3. Step 3: Cross multiply
    30,950.34x = 42,711.46 × 16,803.19
  4. Step 4: Simplify right side
    30,950.34x = 717,688,777.56
  5. Step 5: Solve for x
    x = 717,688,777.56/30,950.34
  6. Step 6: Final answer
    x = 23,188.40

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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.