Home / 30,237.67-45,340.95-13,583.42

Finding the Fourth Proportional to 30,237.67, 45,340.95 and 13,583.42

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Solution

The fourth proportional to 30,237.67, 45,340.95 and 13,583.42 is: 20,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.67 : 45,340.95 = 13,583.42 : x
  2. Step 2: Convert to fraction form
    30,237.67/45,340.95 = 13,583.42/x
  3. Step 3: Cross multiply
    30,237.67x = 45,340.95 × 13,583.42
  4. Step 4: Simplify right side
    30,237.67x = 615,884,940.34
  5. Step 5: Solve for x
    x = 615,884,940.34/30,237.67
  6. Step 6: Final answer
    x = 20,368.14

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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.