Home / 45,870.74-68,793.64-12,582.92

Finding the Fourth Proportional to 45,870.74, 68,793.64 and 12,582.92

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Solution

The fourth proportional to 45,870.74, 68,793.64 and 12,582.92 is: 18,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870.74 : 68,793.64 = 12,582.92 : x
  2. Step 2: Convert to fraction form
    45,870.74/68,793.64 = 12,582.92/x
  3. Step 3: Cross multiply
    45,870.74x = 68,793.64 × 12,582.92
  4. Step 4: Simplify right side
    45,870.74x = 865,625,056.34
  5. Step 5: Solve for x
    x = 865,625,056.34/45,870.74
  6. Step 6: Final answer
    x = 18,870.97

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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.