Home / 35,339.09-48,768.21-19,423.80

Finding the Fourth Proportional to 35,339.09, 48,768.21 and 19,423.80

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Solution

The fourth proportional to 35,339.09, 48,768.21 and 19,423.80 is: 26,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.09 : 48,768.21 = 19,423.80 : x
  2. Step 2: Convert to fraction form
    35,339.09/48,768.21 = 19,423.80/x
  3. Step 3: Cross multiply
    35,339.09x = 48,768.21 × 19,423.80
  4. Step 4: Simplify right side
    35,339.09x = 947,263,957.40
  5. Step 5: Solve for x
    x = 947,263,957.40/35,339.09
  6. Step 6: Final answer
    x = 26,804.99

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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.