Home / 29,650.48-40,903.53-18,315.90

Finding the Fourth Proportional to 29,650.48, 40,903.53 and 18,315.90

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Solution

The fourth proportional to 29,650.48, 40,903.53 and 18,315.90 is: 25,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.48 : 40,903.53 = 18,315.90 : x
  2. Step 2: Convert to fraction form
    29,650.48/40,903.53 = 18,315.90/x
  3. Step 3: Cross multiply
    29,650.48x = 40,903.53 × 18,315.90
  4. Step 4: Simplify right side
    29,650.48x = 749,184,669.03
  5. Step 5: Solve for x
    x = 749,184,669.03/29,650.48
  6. Step 6: Final answer
    x = 25,267.20

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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.