Home / 29,154.48-40,246.88-22,790.32

Finding the Fourth Proportional to 29,154.48, 40,246.88 and 22,790.32

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Solution

The fourth proportional to 29,154.48, 40,246.88 and 22,790.32 is: 31,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.48 : 40,246.88 = 22,790.32 : x
  2. Step 2: Convert to fraction form
    29,154.48/40,246.88 = 22,790.32/x
  3. Step 3: Cross multiply
    29,154.48x = 40,246.88 × 22,790.32
  4. Step 4: Simplify right side
    29,154.48x = 917,239,274.20
  5. Step 5: Solve for x
    x = 917,239,274.20/29,154.48
  6. Step 6: Final answer
    x = 31,461.35

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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.