Home / 30,719.64-46,077.84-15,132

Finding the Fourth Proportional to 30,719.64, 46,077.84 and 15,132

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Solution

The fourth proportional to 30,719.64, 46,077.84 and 15,132 is: 22,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.64 : 46,077.84 = 15,132 : x
  2. Step 2: Convert to fraction form
    30,719.64/46,077.84 = 15,132/x
  3. Step 3: Cross multiply
    30,719.64x = 46,077.84 × 15,132
  4. Step 4: Simplify right side
    30,719.64x = 697,249,874.88
  5. Step 5: Solve for x
    x = 697,249,874.88/30,719.64
  6. Step 6: Final answer
    x = 22,697.20

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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.