Home / 29,370.11-40,530.70-15,941.35

Finding the Fourth Proportional to 29,370.11, 40,530.70 and 15,941.35

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Solution

The fourth proportional to 29,370.11, 40,530.70 and 15,941.35 is: 21,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.11 : 40,530.70 = 15,941.35 : x
  2. Step 2: Convert to fraction form
    29,370.11/40,530.70 = 15,941.35/x
  3. Step 3: Cross multiply
    29,370.11x = 40,530.70 × 15,941.35
  4. Step 4: Simplify right side
    29,370.11x = 646,113,973.12
  5. Step 5: Solve for x
    x = 646,113,973.12/29,370.11
  6. Step 6: Final answer
    x = 21,999.03

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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.