Home / 30,130.02-41,579.64-17,385.84

Finding the Fourth Proportional to 30,130.02, 41,579.64 and 17,385.84

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Solution

The fourth proportional to 30,130.02, 41,579.64 and 17,385.84 is: 23,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.02 : 41,579.64 = 17,385.84 : x
  2. Step 2: Convert to fraction form
    30,130.02/41,579.64 = 17,385.84/x
  3. Step 3: Cross multiply
    30,130.02x = 41,579.64 × 17,385.84
  4. Step 4: Simplify right side
    30,130.02x = 722,896,968.30
  5. Step 5: Solve for x
    x = 722,896,968.30/30,130.02
  6. Step 6: Final answer
    x = 23,992.58

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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.