Home / 30,370.23-45,562.02-9,313.16

Finding the Fourth Proportional to 30,370.23, 45,562.02 and 9,313.16

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Solution

The fourth proportional to 30,370.23, 45,562.02 and 9,313.16 is: 13,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.23 : 45,562.02 = 9,313.16 : x
  2. Step 2: Convert to fraction form
    30,370.23/45,562.02 = 9,313.16/x
  3. Step 3: Cross multiply
    30,370.23x = 45,562.02 × 9,313.16
  4. Step 4: Simplify right side
    30,370.23x = 424,326,154.37
  5. Step 5: Solve for x
    x = 424,326,154.37/30,370.23
  6. Step 6: Final answer
    x = 13,971.78

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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.