Home / 29,415.04-40,625.80-22,780.91

Finding the Fourth Proportional to 29,415.04, 40,625.80 and 22,780.91

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Solution

The fourth proportional to 29,415.04, 40,625.80 and 22,780.91 is: 31,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.04 : 40,625.80 = 22,780.91 : x
  2. Step 2: Convert to fraction form
    29,415.04/40,625.80 = 22,780.91/x
  3. Step 3: Cross multiply
    29,415.04x = 40,625.80 × 22,780.91
  4. Step 4: Simplify right side
    29,415.04x = 925,492,509.57
  5. Step 5: Solve for x
    x = 925,492,509.57/29,415.04
  6. Step 6: Final answer
    x = 31,463.24

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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.