Home / 30,025.08-45,030.72-11,307.06

Finding the Fourth Proportional to 30,025.08, 45,030.72 and 11,307.06

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Solution

The fourth proportional to 30,025.08, 45,030.72 and 11,307.06 is: 16,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.08 : 45,030.72 = 11,307.06 : x
  2. Step 2: Convert to fraction form
    30,025.08/45,030.72 = 11,307.06/x
  3. Step 3: Cross multiply
    30,025.08x = 45,030.72 × 11,307.06
  4. Step 4: Simplify right side
    30,025.08x = 509,165,052.88
  5. Step 5: Solve for x
    x = 509,165,052.88/30,025.08
  6. Step 6: Final answer
    x = 16,957.99

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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.