Home / 42,449.48-63,674.70-12,867.08

Finding the Fourth Proportional to 42,449.48, 63,674.70 and 12,867.08

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Solution

The fourth proportional to 42,449.48, 63,674.70 and 12,867.08 is: 19,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.48 : 63,674.70 = 12,867.08 : x
  2. Step 2: Convert to fraction form
    42,449.48/63,674.70 = 12,867.08/x
  3. Step 3: Cross multiply
    42,449.48x = 63,674.70 × 12,867.08
  4. Step 4: Simplify right side
    42,449.48x = 819,307,458.88
  5. Step 5: Solve for x
    x = 819,307,458.88/42,449.48
  6. Step 6: Final answer
    x = 19,300.77

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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.