Home / 36,300.61-54,465-14,129.56

Finding the Fourth Proportional to 36,300.61, 54,465 and 14,129.56

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Solution

The fourth proportional to 36,300.61, 54,465 and 14,129.56 is: 21,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,300.61 : 54,465 = 14,129.56 : x
  2. Step 2: Convert to fraction form
    36,300.61/54,465 = 14,129.56/x
  3. Step 3: Cross multiply
    36,300.61x = 54,465 × 14,129.56
  4. Step 4: Simplify right side
    36,300.61x = 769,566,485.40
  5. Step 5: Solve for x
    x = 769,566,485.40/36,300.61
  6. Step 6: Final answer
    x = 21,199.82

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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.