Home / 53,635.83-74,020.95-30,975.77

Finding the Fourth Proportional to 53,635.83, 74,020.95 and 30,975.77

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Solution

The fourth proportional to 53,635.83, 74,020.95 and 30,975.77 is: 42,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,635.83 : 74,020.95 = 30,975.77 : x
  2. Step 2: Convert to fraction form
    53,635.83/74,020.95 = 30,975.77/x
  3. Step 3: Cross multiply
    53,635.83x = 74,020.95 × 30,975.77
  4. Step 4: Simplify right side
    53,635.83x = 2,292,855,922.38
  5. Step 5: Solve for x
    x = 2,292,855,922.38/53,635.83
  6. Step 6: Final answer
    x = 42,748.59

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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.