Home / 30,038.67-45,030.83-14,233.86

Finding the Fourth Proportional to 30,038.67, 45,030.83 and 14,233.86

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Solution

The fourth proportional to 30,038.67, 45,030.83 and 14,233.86 is: 21,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.67 : 45,030.83 = 14,233.86 : x
  2. Step 2: Convert to fraction form
    30,038.67/45,030.83 = 14,233.86/x
  3. Step 3: Cross multiply
    30,038.67x = 45,030.83 × 14,233.86
  4. Step 4: Simplify right side
    30,038.67x = 640,962,458.73
  5. Step 5: Solve for x
    x = 640,962,458.73/30,038.67
  6. Step 6: Final answer
    x = 21,337.91

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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.