Home / 31,370.04-43,290.74-17,223.80

Finding the Fourth Proportional to 31,370.04, 43,290.74 and 17,223.80

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Solution

The fourth proportional to 31,370.04, 43,290.74 and 17,223.80 is: 23,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.04 : 43,290.74 = 17,223.80 : x
  2. Step 2: Convert to fraction form
    31,370.04/43,290.74 = 17,223.80/x
  3. Step 3: Cross multiply
    31,370.04x = 43,290.74 × 17,223.80
  4. Step 4: Simplify right side
    31,370.04x = 745,631,047.61
  5. Step 5: Solve for x
    x = 745,631,047.61/31,370.04
  6. Step 6: Final answer
    x = 23,768.89

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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.