Home / 20,019.36-30,032.34-8,333.40

Finding the Fourth Proportional to 20,019.36, 30,032.34 and 8,333.40

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Solution

The fourth proportional to 20,019.36, 30,032.34 and 8,333.40 is: 12,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.36 : 30,032.34 = 8,333.40 : x
  2. Step 2: Convert to fraction form
    20,019.36/30,032.34 = 8,333.40/x
  3. Step 3: Cross multiply
    20,019.36x = 30,032.34 × 8,333.40
  4. Step 4: Simplify right side
    20,019.36x = 250,271,502.16
  5. Step 5: Solve for x
    x = 250,271,502.16/20,019.36
  6. Step 6: Final answer
    x = 12,501.47

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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.