Home / 56,629.94-84,955.66-18,681.40

Finding the Fourth Proportional to 56,629.94, 84,955.66 and 18,681.40

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Solution

The fourth proportional to 56,629.94, 84,955.66 and 18,681.40 is: 28,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.94 : 84,955.66 = 18,681.40 : x
  2. Step 2: Convert to fraction form
    56,629.94/84,955.66 = 18,681.40/x
  3. Step 3: Cross multiply
    56,629.94x = 84,955.66 × 18,681.40
  4. Step 4: Simplify right side
    56,629.94x = 1,587,090,666.72
  5. Step 5: Solve for x
    x = 1,587,090,666.72/56,629.94
  6. Step 6: Final answer
    x = 28,025.65

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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.