Home / 37,643.10-51,941.73-21,507.60

Finding the Fourth Proportional to 37,643.10, 51,941.73 and 21,507.60

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Solution

The fourth proportional to 37,643.10, 51,941.73 and 21,507.60 is: 29,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.10 : 51,941.73 = 21,507.60 : x
  2. Step 2: Convert to fraction form
    37,643.10/51,941.73 = 21,507.60/x
  3. Step 3: Cross multiply
    37,643.10x = 51,941.73 × 21,507.60
  4. Step 4: Simplify right side
    37,643.10x = 1,117,141,952.15
  5. Step 5: Solve for x
    x = 1,117,141,952.15/37,643.10
  6. Step 6: Final answer
    x = 29,677.20

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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.