Home / 33,035.95-45,559.47-21,700.90

Finding the Fourth Proportional to 33,035.95, 45,559.47 and 21,700.90

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Solution

The fourth proportional to 33,035.95, 45,559.47 and 21,700.90 is: 29,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,035.95 : 45,559.47 = 21,700.90 : x
  2. Step 2: Convert to fraction form
    33,035.95/45,559.47 = 21,700.90/x
  3. Step 3: Cross multiply
    33,035.95x = 45,559.47 × 21,700.90
  4. Step 4: Simplify right side
    33,035.95x = 988,681,502.52
  5. Step 5: Solve for x
    x = 988,681,502.52/33,035.95
  6. Step 6: Final answer
    x = 29,927.44

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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.