Home / 30,166.02-45,228.24-13,290.84

Finding the Fourth Proportional to 30,166.02, 45,228.24 and 13,290.84

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Solution

The fourth proportional to 30,166.02, 45,228.24 and 13,290.84 is: 19,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.02 : 45,228.24 = 13,290.84 : x
  2. Step 2: Convert to fraction form
    30,166.02/45,228.24 = 13,290.84/x
  3. Step 3: Cross multiply
    30,166.02x = 45,228.24 × 13,290.84
  4. Step 4: Simplify right side
    30,166.02x = 601,121,301.32
  5. Step 5: Solve for x
    x = 601,121,301.32/30,166.02
  6. Step 6: Final answer
    x = 19,927.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.