Home / 30,679.85-46,024.38-9,615.20

Finding the Fourth Proportional to 30,679.85, 46,024.38 and 9,615.20

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Solution

The fourth proportional to 30,679.85, 46,024.38 and 9,615.20 is: 14,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.85 : 46,024.38 = 9,615.20 : x
  2. Step 2: Convert to fraction form
    30,679.85/46,024.38 = 9,615.20/x
  3. Step 3: Cross multiply
    30,679.85x = 46,024.38 × 9,615.20
  4. Step 4: Simplify right side
    30,679.85x = 442,533,769.69
  5. Step 5: Solve for x
    x = 442,533,769.69/30,679.85
  6. Step 6: Final answer
    x = 14,424.25

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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.