Home / 42,424.54-63,636.20-14,338.60

Finding the Fourth Proportional to 42,424.54, 63,636.20 and 14,338.60

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Solution

The fourth proportional to 42,424.54, 63,636.20 and 14,338.60 is: 21,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.54 : 63,636.20 = 14,338.60 : x
  2. Step 2: Convert to fraction form
    42,424.54/63,636.20 = 14,338.60/x
  3. Step 3: Cross multiply
    42,424.54x = 63,636.20 × 14,338.60
  4. Step 4: Simplify right side
    42,424.54x = 912,454,017.32
  5. Step 5: Solve for x
    x = 912,454,017.32/42,424.54
  6. Step 6: Final answer
    x = 21,507.69

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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.