Home / 40,890.90-56,377.32-27,440.82

Finding the Fourth Proportional to 40,890.90, 56,377.32 and 27,440.82

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Solution

The fourth proportional to 40,890.90, 56,377.32 and 27,440.82 is: 37,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.90 : 56,377.32 = 27,440.82 : x
  2. Step 2: Convert to fraction form
    40,890.90/56,377.32 = 27,440.82/x
  3. Step 3: Cross multiply
    40,890.90x = 56,377.32 × 27,440.82
  4. Step 4: Simplify right side
    40,890.90x = 1,547,039,890.20
  5. Step 5: Solve for x
    x = 1,547,039,890.20/40,890.90
  6. Step 6: Final answer
    x = 37,833.35

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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.