Home / 30,063.47-45,088.37-11,345.49

Finding the Fourth Proportional to 30,063.47, 45,088.37 and 11,345.49

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Solution

The fourth proportional to 30,063.47, 45,088.37 and 11,345.49 is: 17,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.47 : 45,088.37 = 11,345.49 : x
  2. Step 2: Convert to fraction form
    30,063.47/45,088.37 = 11,345.49/x
  3. Step 3: Cross multiply
    30,063.47x = 45,088.37 × 11,345.49
  4. Step 4: Simplify right side
    30,063.47x = 511,549,594.22
  5. Step 5: Solve for x
    x = 511,549,594.22/30,063.47
  6. Step 6: Final answer
    x = 17,015.66

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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.