Home / 30,416.19-45,628.64-9,357.99

Finding the Fourth Proportional to 30,416.19, 45,628.64 and 9,357.99

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Solution

The fourth proportional to 30,416.19, 45,628.64 and 9,357.99 is: 14,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.19 : 45,628.64 = 9,357.99 : x
  2. Step 2: Convert to fraction form
    30,416.19/45,628.64 = 9,357.99/x
  3. Step 3: Cross multiply
    30,416.19x = 45,628.64 × 9,357.99
  4. Step 4: Simplify right side
    30,416.19x = 426,992,310.04
  5. Step 5: Solve for x
    x = 426,992,310.04/30,416.19
  6. Step 6: Final answer
    x = 14,038.32

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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.