Home / 35,340.50-48,770.35-19,424.81

Finding the Fourth Proportional to 35,340.50, 48,770.35 and 19,424.81

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Solution

The fourth proportional to 35,340.50, 48,770.35 and 19,424.81 is: 26,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.50 : 48,770.35 = 19,424.81 : x
  2. Step 2: Convert to fraction form
    35,340.50/48,770.35 = 19,424.81/x
  3. Step 3: Cross multiply
    35,340.50x = 48,770.35 × 19,424.81
  4. Step 4: Simplify right side
    35,340.50x = 947,354,965.01
  5. Step 5: Solve for x
    x = 947,354,965.01/35,340.50
  6. Step 6: Final answer
    x = 26,806.49

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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.