Home / 42,027.54-63,050.54-12,447.70

Finding the Fourth Proportional to 42,027.54, 63,050.54 and 12,447.70

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Solution

The fourth proportional to 42,027.54, 63,050.54 and 12,447.70 is: 18,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,027.54 : 63,050.54 = 12,447.70 : x
  2. Step 2: Convert to fraction form
    42,027.54/63,050.54 = 12,447.70/x
  3. Step 3: Cross multiply
    42,027.54x = 63,050.54 × 12,447.70
  4. Step 4: Simplify right side
    42,027.54x = 784,834,206.76
  5. Step 5: Solve for x
    x = 784,834,206.76/42,027.54
  6. Step 6: Final answer
    x = 18,674.28

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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.