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Finding the Fourth Proportional to 29,786.88, 44,681.40 and 14,987.76

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Solution

The fourth proportional to 29,786.88, 44,681.40 and 14,987.76 is: 22,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,786.88 : 44,681.40 = 14,987.76 : x
  2. Step 2: Convert to fraction form
    29,786.88/44,681.40 = 14,987.76/x
  3. Step 3: Cross multiply
    29,786.88x = 44,681.40 × 14,987.76
  4. Step 4: Simplify right side
    29,786.88x = 669,674,099.66
  5. Step 5: Solve for x
    x = 669,674,099.66/29,786.88
  6. Step 6: Final answer
    x = 22,482.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.