Home / 53,623.28-74,003.63-30,963.23

Finding the Fourth Proportional to 53,623.28, 74,003.63 and 30,963.23

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Solution

The fourth proportional to 53,623.28, 74,003.63 and 30,963.23 is: 42,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,623.28 : 74,003.63 = 30,963.23 : x
  2. Step 2: Convert to fraction form
    53,623.28/74,003.63 = 30,963.23/x
  3. Step 3: Cross multiply
    53,623.28x = 74,003.63 × 30,963.23
  4. Step 4: Simplify right side
    53,623.28x = 2,291,391,416.52
  5. Step 5: Solve for x
    x = 2,291,391,416.52/53,623.28
  6. Step 6: Final answer
    x = 42,731.28

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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.