Home / 30,050.85-45,079.29-10,326.81

Finding the Fourth Proportional to 30,050.85, 45,079.29 and 10,326.81

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Solution

The fourth proportional to 30,050.85, 45,079.29 and 10,326.81 is: 15,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.85 : 45,079.29 = 10,326.81 : x
  2. Step 2: Convert to fraction form
    30,050.85/45,079.29 = 10,326.81/x
  3. Step 3: Cross multiply
    30,050.85x = 45,079.29 × 10,326.81
  4. Step 4: Simplify right side
    30,050.85x = 465,525,262.76
  5. Step 5: Solve for x
    x = 465,525,262.76/30,050.85
  6. Step 6: Final answer
    x = 15,491.25

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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.