Home / 45,625.60-68,438.40-40,710.40

Finding the Fourth Proportional to 45,625.60, 68,438.40 and 40,710.40

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Solution

The fourth proportional to 45,625.60, 68,438.40 and 40,710.40 is: 61,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.60 : 68,438.40 = 40,710.40 : x
  2. Step 2: Convert to fraction form
    45,625.60/68,438.40 = 40,710.40/x
  3. Step 3: Cross multiply
    45,625.60x = 68,438.40 × 40,710.40
  4. Step 4: Simplify right side
    45,625.60x = 2,786,154,639.36
  5. Step 5: Solve for x
    x = 2,786,154,639.36/45,625.60
  6. Step 6: Final answer
    x = 61,065.60

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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.