Home / 45,300.15-67,923.63-13,700.70

Finding the Fourth Proportional to 45,300.15, 67,923.63 and 13,700.70

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Solution

The fourth proportional to 45,300.15, 67,923.63 and 13,700.70 is: 20,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,300.15 : 67,923.63 = 13,700.70 : x
  2. Step 2: Convert to fraction form
    45,300.15/67,923.63 = 13,700.70/x
  3. Step 3: Cross multiply
    45,300.15x = 67,923.63 × 13,700.70
  4. Step 4: Simplify right side
    45,300.15x = 930,601,277.54
  5. Step 5: Solve for x
    x = 930,601,277.54/45,300.15
  6. Step 6: Final answer
    x = 20,543.01

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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.