Home / 35,341.21-48,762.97-20,999.95

Finding the Fourth Proportional to 35,341.21, 48,762.97 and 20,999.95

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Solution

The fourth proportional to 35,341.21, 48,762.97 and 20,999.95 is: 28,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,341.21 : 48,762.97 = 20,999.95 : x
  2. Step 2: Convert to fraction form
    35,341.21/48,762.97 = 20,999.95/x
  3. Step 3: Cross multiply
    35,341.21x = 48,762.97 × 20,999.95
  4. Step 4: Simplify right side
    35,341.21x = 1,024,019,931.85
  5. Step 5: Solve for x
    x = 1,024,019,931.85/35,341.21
  6. Step 6: Final answer
    x = 28,975.24

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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.