Home / 53,831.40-74,240.04-37,690.44

Finding the Fourth Proportional to 53,831.40, 74,240.04 and 37,690.44

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Solution

The fourth proportional to 53,831.40, 74,240.04 and 37,690.44 is: 51,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.40 : 74,240.04 = 37,690.44 : x
  2. Step 2: Convert to fraction form
    53,831.40/74,240.04 = 37,690.44/x
  3. Step 3: Cross multiply
    53,831.40x = 74,240.04 × 37,690.44
  4. Step 4: Simplify right side
    53,831.40x = 2,798,139,773.22
  5. Step 5: Solve for x
    x = 2,798,139,773.22/53,831.40
  6. Step 6: Final answer
    x = 51,979.70

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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.