Home / 30,025.48-41,425.06-19,428.52

Finding the Fourth Proportional to 30,025.48, 41,425.06 and 19,428.52

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Solution

The fourth proportional to 30,025.48, 41,425.06 and 19,428.52 is: 26,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.48 : 41,425.06 = 19,428.52 : x
  2. Step 2: Convert to fraction form
    30,025.48/41,425.06 = 19,428.52/x
  3. Step 3: Cross multiply
    30,025.48x = 41,425.06 × 19,428.52
  4. Step 4: Simplify right side
    30,025.48x = 804,827,606.71
  5. Step 5: Solve for x
    x = 804,827,606.71/30,025.48
  6. Step 6: Final answer
    x = 26,804.82

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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.