Home / 30,461.37-42,045.63-17,717.55

Finding the Fourth Proportional to 30,461.37, 42,045.63 and 17,717.55

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Solution

The fourth proportional to 30,461.37, 42,045.63 and 17,717.55 is: 24,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461.37 : 42,045.63 = 17,717.55 : x
  2. Step 2: Convert to fraction form
    30,461.37/42,045.63 = 17,717.55/x
  3. Step 3: Cross multiply
    30,461.37x = 42,045.63 × 17,717.55
  4. Step 4: Simplify right side
    30,461.37x = 744,945,252.99
  5. Step 5: Solve for x
    x = 744,945,252.99/30,461.37
  6. Step 6: Final answer
    x = 24,455.41

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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.