Home / 30,346.64-45,518.40-11,625.28

Finding the Fourth Proportional to 30,346.64, 45,518.40 and 11,625.28

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Solution

The fourth proportional to 30,346.64, 45,518.40 and 11,625.28 is: 17,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.64 : 45,518.40 = 11,625.28 : x
  2. Step 2: Convert to fraction form
    30,346.64/45,518.40 = 11,625.28/x
  3. Step 3: Cross multiply
    30,346.64x = 45,518.40 × 11,625.28
  4. Step 4: Simplify right side
    30,346.64x = 529,164,145.15
  5. Step 5: Solve for x
    x = 529,164,145.15/30,346.64
  6. Step 6: Final answer
    x = 17,437.32

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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.