Home / 30,292.41-45,445.80-9,515.91

Finding the Fourth Proportional to 30,292.41, 45,445.80 and 9,515.91

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Solution

The fourth proportional to 30,292.41, 45,445.80 and 9,515.91 is: 14,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.41 : 45,445.80 = 9,515.91 : x
  2. Step 2: Convert to fraction form
    30,292.41/45,445.80 = 9,515.91/x
  3. Step 3: Cross multiply
    30,292.41x = 45,445.80 × 9,515.91
  4. Step 4: Simplify right side
    30,292.41x = 432,458,142.68
  5. Step 5: Solve for x
    x = 432,458,142.68/30,292.41
  6. Step 6: Final answer
    x = 14,276.12

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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.