Home / 71,039.12-106,533.60-23,641.40

Finding the Fourth Proportional to 71,039.12, 106,533.60 and 23,641.40

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Solution

The fourth proportional to 71,039.12, 106,533.60 and 23,641.40 is: 35,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.12 : 106,533.60 = 23,641.40 : x
  2. Step 2: Convert to fraction form
    71,039.12/106,533.60 = 23,641.40/x
  3. Step 3: Cross multiply
    71,039.12x = 106,533.60 × 23,641.40
  4. Step 4: Simplify right side
    71,039.12x = 2,518,603,451.04
  5. Step 5: Solve for x
    x = 2,518,603,451.04/71,039.12
  6. Step 6: Final answer
    x = 35,453.75

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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.