Home / 30,088.95-45,134.46-14,285.85

Finding the Fourth Proportional to 30,088.95, 45,134.46 and 14,285.85

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Solution

The fourth proportional to 30,088.95, 45,134.46 and 14,285.85 is: 21,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.95 : 45,134.46 = 14,285.85 : x
  2. Step 2: Convert to fraction form
    30,088.95/45,134.46 = 14,285.85/x
  3. Step 3: Cross multiply
    30,088.95x = 45,134.46 × 14,285.85
  4. Step 4: Simplify right side
    30,088.95x = 644,784,125.39
  5. Step 5: Solve for x
    x = 644,784,125.39/30,088.95
  6. Step 6: Final answer
    x = 21,429.27

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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.