Home / 42,281.94-63,417.86-11,119.62

Finding the Fourth Proportional to 42,281.94, 63,417.86 and 11,119.62

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Solution

The fourth proportional to 42,281.94, 63,417.86 and 11,119.62 is: 16,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,281.94 : 63,417.86 = 11,119.62 : x
  2. Step 2: Convert to fraction form
    42,281.94/63,417.86 = 11,119.62/x
  3. Step 3: Cross multiply
    42,281.94x = 63,417.86 × 11,119.62
  4. Step 4: Simplify right side
    42,281.94x = 705,182,504.41
  5. Step 5: Solve for x
    x = 705,182,504.41/42,281.94
  6. Step 6: Final answer
    x = 16,678.10

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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.