Home / 37,485.36-51,730.08-20,489.40

Finding the Fourth Proportional to 37,485.36, 51,730.08 and 20,489.40

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Solution

The fourth proportional to 37,485.36, 51,730.08 and 20,489.40 is: 28,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.36 : 51,730.08 = 20,489.40 : x
  2. Step 2: Convert to fraction form
    37,485.36/51,730.08 = 20,489.40/x
  3. Step 3: Cross multiply
    37,485.36x = 51,730.08 × 20,489.40
  4. Step 4: Simplify right side
    37,485.36x = 1,059,918,301.15
  5. Step 5: Solve for x
    x = 1,059,918,301.15/37,485.36
  6. Step 6: Final answer
    x = 28,275.53

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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.