Home / 30,030.75-45,046.13-9,254.25

Finding the Fourth Proportional to 30,030.75, 45,046.13 and 9,254.25

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Solution

The fourth proportional to 30,030.75, 45,046.13 and 9,254.25 is: 13,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.75 : 45,046.13 = 9,254.25 : x
  2. Step 2: Convert to fraction form
    30,030.75/45,046.13 = 9,254.25/x
  3. Step 3: Cross multiply
    30,030.75x = 45,046.13 × 9,254.25
  4. Step 4: Simplify right side
    30,030.75x = 416,868,102.28
  5. Step 5: Solve for x
    x = 416,868,102.28/30,030.75
  6. Step 6: Final answer
    x = 13,881.38

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Double scale
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Similar ratio
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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.