Home / 39,155,647.05-54,033,822.63-21,752,034.84

Finding the Fourth Proportional to 39,155,647.05, 54,033,822.63 and 21,752,034.84

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Solution

The fourth proportional to 39,155,647.05, 54,033,822.63 and 21,752,034.84 is: 30,017,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155,647.05 : 54,033,822.63 = 21,752,034.84 : x
  2. Step 2: Convert to fraction form
    39,155,647.05/54,033,822.63 = 21,752,034.84/x
  3. Step 3: Cross multiply
    39,155,647.05x = 54,033,822.63 × 21,752,034.84
  4. Step 4: Simplify right side
    39,155,647.05x = 1,175,345,592,386,140.50
  5. Step 5: Solve for x
    x = 1,175,345,592,386,140.50/39,155,647.05
  6. Step 6: Final answer
    x = 30,017,269.05

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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.