Home / 35,318.50-48,740.64-19,403.50

Finding the Fourth Proportional to 35,318.50, 48,740.64 and 19,403.50

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Solution

The fourth proportional to 35,318.50, 48,740.64 and 19,403.50 is: 26,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.50 : 48,740.64 = 19,403.50 : x
  2. Step 2: Convert to fraction form
    35,318.50/48,740.64 = 19,403.50/x
  3. Step 3: Cross multiply
    35,318.50x = 48,740.64 × 19,403.50
  4. Step 4: Simplify right side
    35,318.50x = 945,739,008.24
  5. Step 5: Solve for x
    x = 945,739,008.24/35,318.50
  6. Step 6: Final answer
    x = 26,777.44

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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.