Home / 37,614.40-51,905.47-20,615.64

Finding the Fourth Proportional to 37,614.40, 51,905.47 and 20,615.64

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Solution

The fourth proportional to 37,614.40, 51,905.47 and 20,615.64 is: 28,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,614.40 : 51,905.47 = 20,615.64 : x
  2. Step 2: Convert to fraction form
    37,614.40/51,905.47 = 20,615.64/x
  3. Step 3: Cross multiply
    37,614.40x = 51,905.47 × 20,615.64
  4. Step 4: Simplify right side
    37,614.40x = 1,070,064,483.55
  5. Step 5: Solve for x
    x = 1,070,064,483.55/37,614.40
  6. Step 6: Final answer
    x = 28,448.27

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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.