Home / 43,140.10-64,710.15-41,258.20

Finding the Fourth Proportional to 43,140.10, 64,710.15 and 41,258.20

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Solution

The fourth proportional to 43,140.10, 64,710.15 and 41,258.20 is: 61,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.10 : 64,710.15 = 41,258.20 : x
  2. Step 2: Convert to fraction form
    43,140.10/64,710.15 = 41,258.20/x
  3. Step 3: Cross multiply
    43,140.10x = 64,710.15 × 41,258.20
  4. Step 4: Simplify right side
    43,140.10x = 2,669,824,310.73
  5. Step 5: Solve for x
    x = 2,669,824,310.73/43,140.10
  6. Step 6: Final answer
    x = 61,887.30

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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.