Home / 31,648.21-47,430.79-23,289.09

Finding the Fourth Proportional to 31,648.21, 47,430.79 and 23,289.09

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Solution

The fourth proportional to 31,648.21, 47,430.79 and 23,289.09 is: 34,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.21 : 47,430.79 = 23,289.09 : x
  2. Step 2: Convert to fraction form
    31,648.21/47,430.79 = 23,289.09/x
  3. Step 3: Cross multiply
    31,648.21x = 47,430.79 × 23,289.09
  4. Step 4: Simplify right side
    31,648.21x = 1,104,619,937.08
  5. Step 5: Solve for x
    x = 1,104,619,937.08/31,648.21
  6. Step 6: Final answer
    x = 34,903.08

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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.