Home / 45,095.60-67,643.40-31,098.80

Finding the Fourth Proportional to 45,095.60, 67,643.40 and 31,098.80

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Solution

The fourth proportional to 45,095.60, 67,643.40 and 31,098.80 is: 46,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.60 : 67,643.40 = 31,098.80 : x
  2. Step 2: Convert to fraction form
    45,095.60/67,643.40 = 31,098.80/x
  3. Step 3: Cross multiply
    45,095.60x = 67,643.40 × 31,098.80
  4. Step 4: Simplify right side
    45,095.60x = 2,103,628,567.92
  5. Step 5: Solve for x
    x = 2,103,628,567.92/45,095.60
  6. Step 6: Final answer
    x = 46,648.20

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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.