Home / 30,258.20-45,297.70-22,501.40

Finding the Fourth Proportional to 30,258.20, 45,297.70 and 22,501.40

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Solution

The fourth proportional to 30,258.20, 45,297.70 and 22,501.40 is: 33,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.20 : 45,297.70 = 22,501.40 : x
  2. Step 2: Convert to fraction form
    30,258.20/45,297.70 = 22,501.40/x
  3. Step 3: Cross multiply
    30,258.20x = 45,297.70 × 22,501.40
  4. Step 4: Simplify right side
    30,258.20x = 1,019,261,666.78
  5. Step 5: Solve for x
    x = 1,019,261,666.78/30,258.20
  6. Step 6: Final answer
    x = 33,685.47

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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.