Home / 30,074.05-45,087.04-14,271.13

Finding the Fourth Proportional to 30,074.05, 45,087.04 and 14,271.13

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Solution

The fourth proportional to 30,074.05, 45,087.04 and 14,271.13 is: 21,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.05 : 45,087.04 = 14,271.13 : x
  2. Step 2: Convert to fraction form
    30,074.05/45,087.04 = 14,271.13/x
  3. Step 3: Cross multiply
    30,074.05x = 45,087.04 × 14,271.13
  4. Step 4: Simplify right side
    30,074.05x = 643,443,009.16
  5. Step 5: Solve for x
    x = 643,443,009.16/30,074.05
  6. Step 6: Final answer
    x = 21,395.29

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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.