Home / 37,275.81-51,441.80-21,365.25

Finding the Fourth Proportional to 37,275.81, 51,441.80 and 21,365.25

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Solution

The fourth proportional to 37,275.81, 51,441.80 and 21,365.25 is: 29,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.81 : 51,441.80 = 21,365.25 : x
  2. Step 2: Convert to fraction form
    37,275.81/51,441.80 = 21,365.25/x
  3. Step 3: Cross multiply
    37,275.81x = 51,441.80 × 21,365.25
  4. Step 4: Simplify right side
    37,275.81x = 1,099,066,917.45
  5. Step 5: Solve for x
    x = 1,099,066,917.45/37,275.81
  6. Step 6: Final answer
    x = 29,484.72

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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.