Home / 30,428.94-45,641.86-10,707.66

Finding the Fourth Proportional to 30,428.94, 45,641.86 and 10,707.66

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Solution

The fourth proportional to 30,428.94, 45,641.86 and 10,707.66 is: 16,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428.94 : 45,641.86 = 10,707.66 : x
  2. Step 2: Convert to fraction form
    30,428.94/45,641.86 = 10,707.66/x
  3. Step 3: Cross multiply
    30,428.94x = 45,641.86 × 10,707.66
  4. Step 4: Simplify right side
    30,428.94x = 488,717,518.65
  5. Step 5: Solve for x
    x = 488,717,518.65/30,428.94
  6. Step 6: Final answer
    x = 16,060.94

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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.