Home / 53,643.06-74,024.64-29,769.12

Finding the Fourth Proportional to 53,643.06, 74,024.64 and 29,769.12

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Solution

The fourth proportional to 53,643.06, 74,024.64 and 29,769.12 is: 41,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.06 : 74,024.64 = 29,769.12 : x
  2. Step 2: Convert to fraction form
    53,643.06/74,024.64 = 29,769.12/x
  3. Step 3: Cross multiply
    53,643.06x = 74,024.64 × 29,769.12
  4. Step 4: Simplify right side
    53,643.06x = 2,203,648,391.12
  5. Step 5: Solve for x
    x = 2,203,648,391.12/53,643.06
  6. Step 6: Final answer
    x = 41,079.84

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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.