Home / 53,635.99-74,013.56-30,964.63

Finding the Fourth Proportional to 53,635.99, 74,013.56 and 30,964.63

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Solution

The fourth proportional to 53,635.99, 74,013.56 and 30,964.63 is: 42,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,635.99 : 74,013.56 = 30,964.63 : x
  2. Step 2: Convert to fraction form
    53,635.99/74,013.56 = 30,964.63/x
  3. Step 3: Cross multiply
    53,635.99x = 74,013.56 × 30,964.63
  4. Step 4: Simplify right side
    53,635.99x = 2,291,802,276.64
  5. Step 5: Solve for x
    x = 2,291,802,276.64/53,635.99
  6. Step 6: Final answer
    x = 42,728.82

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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.