Home / 30,071.51-41,499.36-19,479.57

Finding the Fourth Proportional to 30,071.51, 41,499.36 and 19,479.57

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Solution

The fourth proportional to 30,071.51, 41,499.36 and 19,479.57 is: 26,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.51 : 41,499.36 = 19,479.57 : x
  2. Step 2: Convert to fraction form
    30,071.51/41,499.36 = 19,479.57/x
  3. Step 3: Cross multiply
    30,071.51x = 41,499.36 × 19,479.57
  4. Step 4: Simplify right side
    30,071.51x = 808,389,688.08
  5. Step 5: Solve for x
    x = 808,389,688.08/30,071.51
  6. Step 6: Final answer
    x = 26,882.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.