Home / 37,158.04-51,279.67-21,242.49

Finding the Fourth Proportional to 37,158.04, 51,279.67 and 21,242.49

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Solution

The fourth proportional to 37,158.04, 51,279.67 and 21,242.49 is: 29,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.04 : 51,279.67 = 21,242.49 : x
  2. Step 2: Convert to fraction form
    37,158.04/51,279.67 = 21,242.49/x
  3. Step 3: Cross multiply
    37,158.04x = 51,279.67 × 21,242.49
  4. Step 4: Simplify right side
    37,158.04x = 1,089,307,877.18
  5. Step 5: Solve for x
    x = 1,089,307,877.18/37,158.04
  6. Step 6: Final answer
    x = 29,315.54

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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.