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Finding the Fourth Proportional to 59,488.97, 89,215.23 and 20,035.49

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Solution

The fourth proportional to 59,488.97, 89,215.23 and 20,035.49 is: 30,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,488.97 : 89,215.23 = 20,035.49 : x
  2. Step 2: Convert to fraction form
    59,488.97/89,215.23 = 20,035.49/x
  3. Step 3: Cross multiply
    59,488.97x = 89,215.23 × 20,035.49
  4. Step 4: Simplify right side
    59,488.97x = 1,787,470,848.51
  5. Step 5: Solve for x
    x = 1,787,470,848.51/59,488.97
  6. Step 6: Final answer
    x = 30,047.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.