Home / 53,833.48-74,284.02-31,172.92

Finding the Fourth Proportional to 53,833.48, 74,284.02 and 31,172.92

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Solution

The fourth proportional to 53,833.48, 74,284.02 and 31,172.92 is: 43,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.48 : 74,284.02 = 31,172.92 : x
  2. Step 2: Convert to fraction form
    53,833.48/74,284.02 = 31,172.92/x
  3. Step 3: Cross multiply
    53,833.48x = 74,284.02 × 31,172.92
  4. Step 4: Simplify right side
    53,833.48x = 2,315,649,812.74
  5. Step 5: Solve for x
    x = 2,315,649,812.74/53,833.48
  6. Step 6: Final answer
    x = 43,015.05

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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.