Home / 74,928.28-112,307.64-30,499.24

Finding the Fourth Proportional to 74,928.28, 112,307.64 and 30,499.24

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Solution

The fourth proportional to 74,928.28, 112,307.64 and 30,499.24 is: 45,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.28 : 112,307.64 = 30,499.24 : x
  2. Step 2: Convert to fraction form
    74,928.28/112,307.64 = 30,499.24/x
  3. Step 3: Cross multiply
    74,928.28x = 112,307.64 × 30,499.24
  4. Step 4: Simplify right side
    74,928.28x = 3,425,297,666.19
  5. Step 5: Solve for x
    x = 3,425,297,666.19/74,928.28
  6. Step 6: Final answer
    x = 45,714.35

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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.