Home / 42,056.36-63,084.80-12,474.44

Finding the Fourth Proportional to 42,056.36, 63,084.80 and 12,474.44

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Solution

The fourth proportional to 42,056.36, 63,084.80 and 12,474.44 is: 18,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,056.36 : 63,084.80 = 12,474.44 : x
  2. Step 2: Convert to fraction form
    42,056.36/63,084.80 = 12,474.44/x
  3. Step 3: Cross multiply
    42,056.36x = 63,084.80 × 12,474.44
  4. Step 4: Simplify right side
    42,056.36x = 786,947,552.51
  5. Step 5: Solve for x
    x = 786,947,552.51/42,056.36
  6. Step 6: Final answer
    x = 18,711.74

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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.