Home / 30,602.76-45,923.56-13,072.72

Finding the Fourth Proportional to 30,602.76, 45,923.56 and 13,072.72

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Solution

The fourth proportional to 30,602.76, 45,923.56 and 13,072.72 is: 19,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.76 : 45,923.56 = 13,072.72 : x
  2. Step 2: Convert to fraction form
    30,602.76/45,923.56 = 13,072.72/x
  3. Step 3: Cross multiply
    30,602.76x = 45,923.56 × 13,072.72
  4. Step 4: Simplify right side
    30,602.76x = 600,345,841.28
  5. Step 5: Solve for x
    x = 600,345,841.28/30,602.76
  6. Step 6: Final answer
    x = 19,617.38

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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.