Home / 45,831.51-68,741.19-20,844.63

Finding the Fourth Proportional to 45,831.51, 68,741.19 and 20,844.63

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Solution

The fourth proportional to 45,831.51, 68,741.19 and 20,844.63 is: 31,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,831.51 : 68,741.19 = 20,844.63 : x
  2. Step 2: Convert to fraction form
    45,831.51/68,741.19 = 20,844.63/x
  3. Step 3: Cross multiply
    45,831.51x = 68,741.19 × 20,844.63
  4. Step 4: Simplify right side
    45,831.51x = 1,432,884,671.31
  5. Step 5: Solve for x
    x = 1,432,884,671.31/45,831.51
  6. Step 6: Final answer
    x = 31,264.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.