Home / 30,058.12-45,097.54-13,429.63

Finding the Fourth Proportional to 30,058.12, 45,097.54 and 13,429.63

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Solution

The fourth proportional to 30,058.12, 45,097.54 and 13,429.63 is: 20,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.12 : 45,097.54 = 13,429.63 : x
  2. Step 2: Convert to fraction form
    30,058.12/45,097.54 = 13,429.63/x
  3. Step 3: Cross multiply
    30,058.12x = 45,097.54 × 13,429.63
  4. Step 4: Simplify right side
    30,058.12x = 605,643,276.11
  5. Step 5: Solve for x
    x = 605,643,276.11/30,058.12
  6. Step 6: Final answer
    x = 20,149.07

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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.