Home / 45,416.40-68,124.60-34,357.20

Finding the Fourth Proportional to 45,416.40, 68,124.60 and 34,357.20

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Solution

The fourth proportional to 45,416.40, 68,124.60 and 34,357.20 is: 51,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.40 : 68,124.60 = 34,357.20 : x
  2. Step 2: Convert to fraction form
    45,416.40/68,124.60 = 34,357.20/x
  3. Step 3: Cross multiply
    45,416.40x = 68,124.60 × 34,357.20
  4. Step 4: Simplify right side
    45,416.40x = 2,340,570,507.12
  5. Step 5: Solve for x
    x = 2,340,570,507.12/45,416.40
  6. Step 6: Final answer
    x = 51,535.80

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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.