Home / 31,409.58-47,115.99-8,036.22

Finding the Fourth Proportional to 31,409.58, 47,115.99 and 8,036.22

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Solution

The fourth proportional to 31,409.58, 47,115.99 and 8,036.22 is: 12,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.58 : 47,115.99 = 8,036.22 : x
  2. Step 2: Convert to fraction form
    31,409.58/47,115.99 = 8,036.22/x
  3. Step 3: Cross multiply
    31,409.58x = 47,115.99 × 8,036.22
  4. Step 4: Simplify right side
    31,409.58x = 378,634,461.16
  5. Step 5: Solve for x
    x = 378,634,461.16/31,409.58
  6. Step 6: Final answer
    x = 12,054.74

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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.