Home / 37,157.90-51,281.50-21,239.32

Finding the Fourth Proportional to 37,157.90, 51,281.50 and 21,239.32

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Solution

The fourth proportional to 37,157.90, 51,281.50 and 21,239.32 is: 29,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.90 : 51,281.50 = 21,239.32 : x
  2. Step 2: Convert to fraction form
    37,157.90/51,281.50 = 21,239.32/x
  3. Step 3: Cross multiply
    37,157.90x = 51,281.50 × 21,239.32
  4. Step 4: Simplify right side
    37,157.90x = 1,089,184,188.58
  5. Step 5: Solve for x
    x = 1,089,184,188.58/37,157.90
  6. Step 6: Final answer
    x = 29,312.32

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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.