Home / 30,113.28-41,552.90-16,681.18

Finding the Fourth Proportional to 30,113.28, 41,552.90 and 16,681.18

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Solution

The fourth proportional to 30,113.28, 41,552.90 and 16,681.18 is: 23,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.28 : 41,552.90 = 16,681.18 : x
  2. Step 2: Convert to fraction form
    30,113.28/41,552.90 = 16,681.18/x
  3. Step 3: Cross multiply
    30,113.28x = 41,552.90 × 16,681.18
  4. Step 4: Simplify right side
    30,113.28x = 693,151,404.42
  5. Step 5: Solve for x
    x = 693,151,404.42/30,113.28
  6. Step 6: Final answer
    x = 23,018.13

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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.