Home / 30,316.51-45,478.41-15,521.46

Finding the Fourth Proportional to 30,316.51, 45,478.41 and 15,521.46

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Solution

The fourth proportional to 30,316.51, 45,478.41 and 15,521.46 is: 23,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.51 : 45,478.41 = 15,521.46 : x
  2. Step 2: Convert to fraction form
    30,316.51/45,478.41 = 15,521.46/x
  3. Step 3: Cross multiply
    30,316.51x = 45,478.41 × 15,521.46
  4. Step 4: Simplify right side
    30,316.51x = 705,891,321.68
  5. Step 5: Solve for x
    x = 705,891,321.68/30,316.51
  6. Step 6: Final answer
    x = 23,284.06

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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.