Home / 42,550.11-63,833.40-18,848.57

Finding the Fourth Proportional to 42,550.11, 63,833.40 and 18,848.57

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Solution

The fourth proportional to 42,550.11, 63,833.40 and 18,848.57 is: 28,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.11 : 63,833.40 = 18,848.57 : x
  2. Step 2: Convert to fraction form
    42,550.11/63,833.40 = 18,848.57/x
  3. Step 3: Cross multiply
    42,550.11x = 63,833.40 × 18,848.57
  4. Step 4: Simplify right side
    42,550.11x = 1,203,167,989.07
  5. Step 5: Solve for x
    x = 1,203,167,989.07/42,550.11
  6. Step 6: Final answer
    x = 28,276.50

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1.5x scale

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.