Home / 53,630.34-74,020.64-30,973.02

Finding the Fourth Proportional to 53,630.34, 74,020.64 and 30,973.02

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Solution

The fourth proportional to 53,630.34, 74,020.64 and 30,973.02 is: 42,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630.34 : 74,020.64 = 30,973.02 : x
  2. Step 2: Convert to fraction form
    53,630.34/74,020.64 = 30,973.02/x
  3. Step 3: Cross multiply
    53,630.34x = 74,020.64 × 30,973.02
  4. Step 4: Simplify right side
    53,630.34x = 2,292,642,608.27
  5. Step 5: Solve for x
    x = 2,292,642,608.27/53,630.34
  6. Step 6: Final answer
    x = 42,748.99

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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.