Home / 40,838.90-56,357.02-22,689.23

Finding the Fourth Proportional to 40,838.90, 56,357.02 and 22,689.23

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Solution

The fourth proportional to 40,838.90, 56,357.02 and 22,689.23 is: 31,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.90 : 56,357.02 = 22,689.23 : x
  2. Step 2: Convert to fraction form
    40,838.90/56,357.02 = 22,689.23/x
  3. Step 3: Cross multiply
    40,838.90x = 56,357.02 × 22,689.23
  4. Step 4: Simplify right side
    40,838.90x = 1,278,697,388.89
  5. Step 5: Solve for x
    x = 1,278,697,388.89/40,838.90
  6. Step 6: Final answer
    x = 31,310.77

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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.