Home / 45,336.15-67,934.93-30,490.11

Finding the Fourth Proportional to 45,336.15, 67,934.93 and 30,490.11

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Solution

The fourth proportional to 45,336.15, 67,934.93 and 30,490.11 is: 45,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.15 : 67,934.93 = 30,490.11 : x
  2. Step 2: Convert to fraction form
    45,336.15/67,934.93 = 30,490.11/x
  3. Step 3: Cross multiply
    45,336.15x = 67,934.93 × 30,490.11
  4. Step 4: Simplify right side
    45,336.15x = 2,071,343,336.09
  5. Step 5: Solve for x
    x = 2,071,343,336.09/45,336.15
  6. Step 6: Final answer
    x = 45,688.56

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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.