Home / 53,980.63-74,498.54-40,344.95

Finding the Fourth Proportional to 53,980.63, 74,498.54 and 40,344.95

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Solution

The fourth proportional to 53,980.63, 74,498.54 and 40,344.95 is: 55,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.63 : 74,498.54 = 40,344.95 : x
  2. Step 2: Convert to fraction form
    53,980.63/74,498.54 = 40,344.95/x
  3. Step 3: Cross multiply
    53,980.63x = 74,498.54 × 40,344.95
  4. Step 4: Simplify right side
    53,980.63x = 3,005,639,855.89
  5. Step 5: Solve for x
    x = 3,005,639,855.89/53,980.63
  6. Step 6: Final answer
    x = 55,679.97

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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.