Home / 30,290.04-45,442.25-9,513.54

Finding the Fourth Proportional to 30,290.04, 45,442.25 and 9,513.54

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Solution

The fourth proportional to 30,290.04, 45,442.25 and 9,513.54 is: 14,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.04 : 45,442.25 = 9,513.54 : x
  2. Step 2: Convert to fraction form
    30,290.04/45,442.25 = 9,513.54/x
  3. Step 3: Cross multiply
    30,290.04x = 45,442.25 × 9,513.54
  4. Step 4: Simplify right side
    30,290.04x = 432,316,663.07
  5. Step 5: Solve for x
    x = 432,316,663.07/30,290.04
  6. Step 6: Final answer
    x = 14,272.57

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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.