Home / 30,834.86-42,552.34-18,088.25

Finding the Fourth Proportional to 30,834.86, 42,552.34 and 18,088.25

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Solution

The fourth proportional to 30,834.86, 42,552.34 and 18,088.25 is: 24,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.86 : 42,552.34 = 18,088.25 : x
  2. Step 2: Convert to fraction form
    30,834.86/42,552.34 = 18,088.25/x
  3. Step 3: Cross multiply
    30,834.86x = 42,552.34 × 18,088.25
  4. Step 4: Simplify right side
    30,834.86x = 769,697,538.22
  5. Step 5: Solve for x
    x = 769,697,538.22/30,834.86
  6. Step 6: Final answer
    x = 24,961.93

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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.