Home / 30,838.86-42,520.64-26,300.84

Finding the Fourth Proportional to 30,838.86, 42,520.64 and 26,300.84

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Solution

The fourth proportional to 30,838.86, 42,520.64 and 26,300.84 is: 36,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.86 : 42,520.64 = 26,300.84 : x
  2. Step 2: Convert to fraction form
    30,838.86/42,520.64 = 26,300.84/x
  3. Step 3: Cross multiply
    30,838.86x = 42,520.64 × 26,300.84
  4. Step 4: Simplify right side
    30,838.86x = 1,118,328,205.23
  5. Step 5: Solve for x
    x = 1,118,328,205.23/30,838.86
  6. Step 6: Final answer
    x = 36,263.60

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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.