Home / 59,830.49-89,756.41-19,851.87

Finding the Fourth Proportional to 59,830.49, 89,756.41 and 19,851.87

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Solution

The fourth proportional to 59,830.49, 89,756.41 and 19,851.87 is: 29,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,830.49 : 89,756.41 = 19,851.87 : x
  2. Step 2: Convert to fraction form
    59,830.49/89,756.41 = 19,851.87/x
  3. Step 3: Cross multiply
    59,830.49x = 89,756.41 × 19,851.87
  4. Step 4: Simplify right side
    59,830.49x = 1,781,832,582.99
  5. Step 5: Solve for x
    x = 1,781,832,582.99/59,830.49
  6. Step 6: Final answer
    x = 29,781.35

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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.