Home / 40,215.64-55,482.40-29,630.56

Finding the Fourth Proportional to 40,215.64, 55,482.40 and 29,630.56

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Solution

The fourth proportional to 40,215.64, 55,482.40 and 29,630.56 is: 40,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.64 : 55,482.40 = 29,630.56 : x
  2. Step 2: Convert to fraction form
    40,215.64/55,482.40 = 29,630.56/x
  3. Step 3: Cross multiply
    40,215.64x = 55,482.40 × 29,630.56
  4. Step 4: Simplify right side
    40,215.64x = 1,643,974,582.14
  5. Step 5: Solve for x
    x = 1,643,974,582.14/40,215.64
  6. Step 6: Final answer
    x = 40,878.99

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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.