Home / 74,828.41-103,262.29-40,837.47

Finding the Fourth Proportional to 74,828.41, 103,262.29 and 40,837.47

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Solution

The fourth proportional to 74,828.41, 103,262.29 and 40,837.47 is: 56,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828.41 : 103,262.29 = 40,837.47 : x
  2. Step 2: Convert to fraction form
    74,828.41/103,262.29 = 40,837.47/x
  3. Step 3: Cross multiply
    74,828.41x = 103,262.29 × 40,837.47
  4. Step 4: Simplify right side
    74,828.41x = 4,216,970,410.39
  5. Step 5: Solve for x
    x = 4,216,970,410.39/74,828.41
  6. Step 6: Final answer
    x = 56,355.21

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1.5x scale

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.