Home / 38,692,784.52-58,075,539.84-20,261,958.48

Finding the Fourth Proportional to 38,692,784.52, 58,075,539.84 and 20,261,958.48

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Solution

The fourth proportional to 38,692,784.52, 58,075,539.84 and 20,261,958.48 is: 30,411,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692,784.52 : 58,075,539.84 = 20,261,958.48 : x
  2. Step 2: Convert to fraction form
    38,692,784.52/58,075,539.84 = 20,261,958.48/x
  3. Step 3: Cross multiply
    38,692,784.52x = 58,075,539.84 × 20,261,958.48
  4. Step 4: Simplify right side
    38,692,784.52x = 1,176,724,176,941,666
  5. Step 5: Solve for x
    x = 1,176,724,176,941,666/38,692,784.52
  6. Step 6: Final answer
    x = 30,411,979.69

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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.