Home / 37,158.90-51,282.88-21,240.32

Finding the Fourth Proportional to 37,158.90, 51,282.88 and 21,240.32

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Solution

The fourth proportional to 37,158.90, 51,282.88 and 21,240.32 is: 29,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.90 : 51,282.88 = 21,240.32 : x
  2. Step 2: Convert to fraction form
    37,158.90/51,282.88 = 21,240.32/x
  3. Step 3: Cross multiply
    37,158.90x = 51,282.88 × 21,240.32
  4. Step 4: Simplify right side
    37,158.90x = 1,089,264,781.72
  5. Step 5: Solve for x
    x = 1,089,264,781.72/37,158.90
  6. Step 6: Final answer
    x = 29,313.70

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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.