Home / 31,533.72-43,515.72-17,386.32

Finding the Fourth Proportional to 31,533.72, 43,515.72 and 17,386.32

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Solution

The fourth proportional to 31,533.72, 43,515.72 and 17,386.32 is: 23,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.72 : 43,515.72 = 17,386.32 : x
  2. Step 2: Convert to fraction form
    31,533.72/43,515.72 = 17,386.32/x
  3. Step 3: Cross multiply
    31,533.72x = 43,515.72 × 17,386.32
  4. Step 4: Simplify right side
    31,533.72x = 756,578,232.95
  5. Step 5: Solve for x
    x = 756,578,232.95/31,533.72
  6. Step 6: Final answer
    x = 23,992.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.