Home / 30,004.90-44,979.53-10,278.77

Finding the Fourth Proportional to 30,004.90, 44,979.53 and 10,278.77

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Solution

The fourth proportional to 30,004.90, 44,979.53 and 10,278.77 is: 15,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.90 : 44,979.53 = 10,278.77 : x
  2. Step 2: Convert to fraction form
    30,004.90/44,979.53 = 10,278.77/x
  3. Step 3: Cross multiply
    30,004.90x = 44,979.53 × 10,278.77
  4. Step 4: Simplify right side
    30,004.90x = 462,333,967.29
  5. Step 5: Solve for x
    x = 462,333,967.29/30,004.90
  6. Step 6: Final answer
    x = 15,408.62

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1.5x scale

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.