Home / 31,220.40-46,756.62-17,900.64

Finding the Fourth Proportional to 31,220.40, 46,756.62 and 17,900.64

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Solution

The fourth proportional to 31,220.40, 46,756.62 and 17,900.64 is: 26,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.40 : 46,756.62 = 17,900.64 : x
  2. Step 2: Convert to fraction form
    31,220.40/46,756.62 = 17,900.64/x
  3. Step 3: Cross multiply
    31,220.40x = 46,756.62 × 17,900.64
  4. Step 4: Simplify right side
    31,220.40x = 836,973,422.24
  5. Step 5: Solve for x
    x = 836,973,422.24/31,220.40
  6. Step 6: Final answer
    x = 26,808.54

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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.