Home / 46,965.74-70,397.57-21,990.20

Finding the Fourth Proportional to 46,965.74, 70,397.57 and 21,990.20

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Solution

The fourth proportional to 46,965.74, 70,397.57 and 21,990.20 is: 32,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,965.74 : 70,397.57 = 21,990.20 : x
  2. Step 2: Convert to fraction form
    46,965.74/70,397.57 = 21,990.20/x
  3. Step 3: Cross multiply
    46,965.74x = 70,397.57 × 21,990.20
  4. Step 4: Simplify right side
    46,965.74x = 1,548,056,346.80
  5. Step 5: Solve for x
    x = 1,548,056,346.80/46,965.74
  6. Step 6: Final answer
    x = 32,961.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.