Home / 30,117.42-41,561.94-16,688.67

Finding the Fourth Proportional to 30,117.42, 41,561.94 and 16,688.67

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Solution

The fourth proportional to 30,117.42, 41,561.94 and 16,688.67 is: 23,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.42 : 41,561.94 = 16,688.67 : x
  2. Step 2: Convert to fraction form
    30,117.42/41,561.94 = 16,688.67/x
  3. Step 3: Cross multiply
    30,117.42x = 41,561.94 × 16,688.67
  4. Step 4: Simplify right side
    30,117.42x = 693,613,407.95
  5. Step 5: Solve for x
    x = 693,613,407.95/30,117.42
  6. Step 6: Final answer
    x = 23,030.31

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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.