Home / 30,070.07-45,070.22-11,338.11

Finding the Fourth Proportional to 30,070.07, 45,070.22 and 11,338.11

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Solution

The fourth proportional to 30,070.07, 45,070.22 and 11,338.11 is: 16,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.07 : 45,070.22 = 11,338.11 : x
  2. Step 2: Convert to fraction form
    30,070.07/45,070.22 = 11,338.11/x
  3. Step 3: Cross multiply
    30,070.07x = 45,070.22 × 11,338.11
  4. Step 4: Simplify right side
    30,070.07x = 511,011,140.43
  5. Step 5: Solve for x
    x = 511,011,140.43/30,070.07
  6. Step 6: Final answer
    x = 16,994.01

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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.