Home / 55,643.57-76,746.26-38,647.83

Finding the Fourth Proportional to 55,643.57, 76,746.26 and 38,647.83

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Solution

The fourth proportional to 55,643.57, 76,746.26 and 38,647.83 is: 53,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.57 : 76,746.26 = 38,647.83 : x
  2. Step 2: Convert to fraction form
    55,643.57/76,746.26 = 38,647.83/x
  3. Step 3: Cross multiply
    55,643.57x = 76,746.26 × 38,647.83
  4. Step 4: Simplify right side
    55,643.57x = 2,966,076,506.24
  5. Step 5: Solve for x
    x = 2,966,076,506.24/55,643.57
  6. Step 6: Final answer
    x = 53,304.93

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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.