Home / 74,883.42-103,339.40-40,892.58

Finding the Fourth Proportional to 74,883.42, 103,339.40 and 40,892.58

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Solution

The fourth proportional to 74,883.42, 103,339.40 and 40,892.58 is: 56,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,883.42 : 103,339.40 = 40,892.58 : x
  2. Step 2: Convert to fraction form
    74,883.42/103,339.40 = 40,892.58/x
  3. Step 3: Cross multiply
    74,883.42x = 103,339.40 × 40,892.58
  4. Step 4: Simplify right side
    74,883.42x = 4,225,814,477.19
  5. Step 5: Solve for x
    x = 4,225,814,477.19/74,883.42
  6. Step 6: Final answer
    x = 56,431.91

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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.