Home / 30,045.81-41,461.59-16,616.28

Finding the Fourth Proportional to 30,045.81, 41,461.59 and 16,616.28

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Solution

The fourth proportional to 30,045.81, 41,461.59 and 16,616.28 is: 22,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.81 : 41,461.59 = 16,616.28 : x
  2. Step 2: Convert to fraction form
    30,045.81/41,461.59 = 16,616.28/x
  3. Step 3: Cross multiply
    30,045.81x = 41,461.59 × 16,616.28
  4. Step 4: Simplify right side
    30,045.81x = 688,937,388.69
  5. Step 5: Solve for x
    x = 688,937,388.69/30,045.81
  6. Step 6: Final answer
    x = 22,929.57

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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.