Home / 30,030.22-45,049.47-10,306.21

Finding the Fourth Proportional to 30,030.22, 45,049.47 and 10,306.21

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Solution

The fourth proportional to 30,030.22, 45,049.47 and 10,306.21 is: 15,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.22 : 45,049.47 = 10,306.21 : x
  2. Step 2: Convert to fraction form
    30,030.22/45,049.47 = 10,306.21/x
  3. Step 3: Cross multiply
    30,030.22x = 45,049.47 × 10,306.21
  4. Step 4: Simplify right side
    30,030.22x = 464,289,358.11
  5. Step 5: Solve for x
    x = 464,289,358.11/30,030.22
  6. Step 6: Final answer
    x = 15,460.74

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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.