Home / 37,159.36-51,280.80-21,245.30

Finding the Fourth Proportional to 37,159.36, 51,280.80 and 21,245.30

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Solution

The fourth proportional to 37,159.36, 51,280.80 and 21,245.30 is: 29,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,159.36 : 51,280.80 = 21,245.30 : x
  2. Step 2: Convert to fraction form
    37,159.36/51,280.80 = 21,245.30/x
  3. Step 3: Cross multiply
    37,159.36x = 51,280.80 × 21,245.30
  4. Step 4: Simplify right side
    37,159.36x = 1,089,475,980.24
  5. Step 5: Solve for x
    x = 1,089,475,980.24/37,159.36
  6. Step 6: Final answer
    x = 29,319.02

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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.