Home / 30,106.32-45,151.20-16,762.92

Finding the Fourth Proportional to 30,106.32, 45,151.20 and 16,762.92

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Solution

The fourth proportional to 30,106.32, 45,151.20 and 16,762.92 is: 25,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.32 : 45,151.20 = 16,762.92 : x
  2. Step 2: Convert to fraction form
    30,106.32/45,151.20 = 16,762.92/x
  3. Step 3: Cross multiply
    30,106.32x = 45,151.20 × 16,762.92
  4. Step 4: Simplify right side
    30,106.32x = 756,865,953.50
  5. Step 5: Solve for x
    x = 756,865,953.50/30,106.32
  6. Step 6: Final answer
    x = 25,139.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.