Home / 53,630.84-74,021.33-30,973.52

Finding the Fourth Proportional to 53,630.84, 74,021.33 and 30,973.52

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Solution

The fourth proportional to 53,630.84, 74,021.33 and 30,973.52 is: 42,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630.84 : 74,021.33 = 30,973.52 : x
  2. Step 2: Convert to fraction form
    53,630.84/74,021.33 = 30,973.52/x
  3. Step 3: Cross multiply
    53,630.84x = 74,021.33 × 30,973.52
  4. Step 4: Simplify right side
    53,630.84x = 2,292,701,145.18
  5. Step 5: Solve for x
    x = 2,292,701,145.18/53,630.84
  6. Step 6: Final answer
    x = 42,749.68

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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.