Home / 51,089.96-70,506.14-30,935.36

Finding the Fourth Proportional to 51,089.96, 70,506.14 and 30,935.36

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Solution

The fourth proportional to 51,089.96, 70,506.14 and 30,935.36 is: 42,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.96 : 70,506.14 = 30,935.36 : x
  2. Step 2: Convert to fraction form
    51,089.96/70,506.14 = 30,935.36/x
  3. Step 3: Cross multiply
    51,089.96x = 70,506.14 × 30,935.36
  4. Step 4: Simplify right side
    51,089.96x = 2,181,132,823.11
  5. Step 5: Solve for x
    x = 2,181,132,823.11/51,089.96
  6. Step 6: Final answer
    x = 42,692.00

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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.