Home / 67,729.90-93,467.93-40,867.23

Finding the Fourth Proportional to 67,729.90, 93,467.93 and 40,867.23

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Solution

The fourth proportional to 67,729.90, 93,467.93 and 40,867.23 is: 56,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.90 : 93,467.93 = 40,867.23 : x
  2. Step 2: Convert to fraction form
    67,729.90/93,467.93 = 40,867.23/x
  3. Step 3: Cross multiply
    67,729.90x = 93,467.93 × 40,867.23
  4. Step 4: Simplify right side
    67,729.90x = 3,819,775,392.93
  5. Step 5: Solve for x
    x = 3,819,775,392.93/67,729.90
  6. Step 6: Final answer
    x = 56,397.18

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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.