Home / 40,074.86-55,301.96-21,925.50

Finding the Fourth Proportional to 40,074.86, 55,301.96 and 21,925.50

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Solution

The fourth proportional to 40,074.86, 55,301.96 and 21,925.50 is: 30,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.86 : 55,301.96 = 21,925.50 : x
  2. Step 2: Convert to fraction form
    40,074.86/55,301.96 = 21,925.50/x
  3. Step 3: Cross multiply
    40,074.86x = 55,301.96 × 21,925.50
  4. Step 4: Simplify right side
    40,074.86x = 1,212,523,123.98
  5. Step 5: Solve for x
    x = 1,212,523,123.98/40,074.86
  6. Step 6: Final answer
    x = 30,256.45

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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.