Home / 30,701.32-42,364.62-17,271.43

Finding the Fourth Proportional to 30,701.32, 42,364.62 and 17,271.43

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Solution

The fourth proportional to 30,701.32, 42,364.62 and 17,271.43 is: 23,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.32 : 42,364.62 = 17,271.43 : x
  2. Step 2: Convert to fraction form
    30,701.32/42,364.62 = 17,271.43/x
  3. Step 3: Cross multiply
    30,701.32x = 42,364.62 × 17,271.43
  4. Step 4: Simplify right side
    30,701.32x = 731,697,568.81
  5. Step 5: Solve for x
    x = 731,697,568.81/30,701.32
  6. Step 6: Final answer
    x = 23,832.77

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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.