Home / 67,852.58-93,634.34-40,990.40

Finding the Fourth Proportional to 67,852.58, 93,634.34 and 40,990.40

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Solution

The fourth proportional to 67,852.58, 93,634.34 and 40,990.40 is: 56,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,852.58 : 93,634.34 = 40,990.40 : x
  2. Step 2: Convert to fraction form
    67,852.58/93,634.34 = 40,990.40/x
  3. Step 3: Cross multiply
    67,852.58x = 93,634.34 × 40,990.40
  4. Step 4: Simplify right side
    67,852.58x = 3,838,109,050.34
  5. Step 5: Solve for x
    x = 3,838,109,050.34/67,852.58
  6. Step 6: Final answer
    x = 56,565.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.