Home / 33,077.90-45,630.03-20,957.00

Finding the Fourth Proportional to 33,077.90, 45,630.03 and 20,957.00

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Solution

The fourth proportional to 33,077.90, 45,630.03 and 20,957.00 is: 28,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.90 : 45,630.03 = 20,957.00 : x
  2. Step 2: Convert to fraction form
    33,077.90/45,630.03 = 20,957.00/x
  3. Step 3: Cross multiply
    33,077.90x = 45,630.03 × 20,957.00
  4. Step 4: Simplify right side
    33,077.90x = 956,268,389.15
  5. Step 5: Solve for x
    x = 956,268,389.15/33,077.90
  6. Step 6: Final answer
    x = 28,909.58

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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.