Home / 53,653.04-74,024.08-30,989.04

Finding the Fourth Proportional to 53,653.04, 74,024.08 and 30,989.04

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Solution

The fourth proportional to 53,653.04, 74,024.08 and 30,989.04 is: 42,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.04 : 74,024.08 = 30,989.04 : x
  2. Step 2: Convert to fraction form
    53,653.04/74,024.08 = 30,989.04/x
  3. Step 3: Cross multiply
    53,653.04x = 74,024.08 × 30,989.04
  4. Step 4: Simplify right side
    53,653.04x = 2,293,935,176.08
  5. Step 5: Solve for x
    x = 2,293,935,176.08/53,653.04
  6. Step 6: Final answer
    x = 42,754.99

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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.