Home / 53,635.59-74,020.66-30,975.55

Finding the Fourth Proportional to 53,635.59, 74,020.66 and 30,975.55

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Solution

The fourth proportional to 53,635.59, 74,020.66 and 30,975.55 is: 42,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,635.59 : 74,020.66 = 30,975.55 : x
  2. Step 2: Convert to fraction form
    53,635.59/74,020.66 = 30,975.55/x
  3. Step 3: Cross multiply
    53,635.59x = 74,020.66 × 30,975.55
  4. Step 4: Simplify right side
    53,635.59x = 2,292,830,392.37
  5. Step 5: Solve for x
    x = 2,292,830,392.37/53,635.59
  6. Step 6: Final answer
    x = 42,748.30

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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.