Home / 55,280.72-76,298.28-38,504

Finding the Fourth Proportional to 55,280.72, 76,298.28 and 38,504

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Solution

The fourth proportional to 55,280.72, 76,298.28 and 38,504 is: 53,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.72 : 76,298.28 = 38,504 : x
  2. Step 2: Convert to fraction form
    55,280.72/76,298.28 = 38,504/x
  3. Step 3: Cross multiply
    55,280.72x = 76,298.28 × 38,504
  4. Step 4: Simplify right side
    55,280.72x = 2,937,788,973.12
  5. Step 5: Solve for x
    x = 2,937,788,973.12/55,280.72
  6. Step 6: Final answer
    x = 53,143.10

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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.