Home / 30,737.42-42,417.22-17,309.99

Finding the Fourth Proportional to 30,737.42, 42,417.22 and 17,309.99

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Solution

The fourth proportional to 30,737.42, 42,417.22 and 17,309.99 is: 23,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.42 : 42,417.22 = 17,309.99 : x
  2. Step 2: Convert to fraction form
    30,737.42/42,417.22 = 17,309.99/x
  3. Step 3: Cross multiply
    30,737.42x = 42,417.22 × 17,309.99
  4. Step 4: Simplify right side
    30,737.42x = 734,241,355.39
  5. Step 5: Solve for x
    x = 734,241,355.39/30,737.42
  6. Step 6: Final answer
    x = 23,887.54

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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.