Home / 53,642.07-74,023.47-29,442.45

Finding the Fourth Proportional to 53,642.07, 74,023.47 and 29,442.45

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Solution

The fourth proportional to 53,642.07, 74,023.47 and 29,442.45 is: 40,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642.07 : 74,023.47 = 29,442.45 : x
  2. Step 2: Convert to fraction form
    53,642.07/74,023.47 = 29,442.45/x
  3. Step 3: Cross multiply
    53,642.07x = 74,023.47 × 29,442.45
  4. Step 4: Simplify right side
    53,642.07x = 2,179,432,314.30
  5. Step 5: Solve for x
    x = 2,179,432,314.30/53,642.07
  6. Step 6: Final answer
    x = 40,629.16

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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.