Home / 29,985.36-44,970.18-8,919.74

Finding the Fourth Proportional to 29,985.36, 44,970.18 and 8,919.74

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Solution

The fourth proportional to 29,985.36, 44,970.18 and 8,919.74 is: 13,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.36 : 44,970.18 = 8,919.74 : x
  2. Step 2: Convert to fraction form
    29,985.36/44,970.18 = 8,919.74/x
  3. Step 3: Cross multiply
    29,985.36x = 44,970.18 × 8,919.74
  4. Step 4: Simplify right side
    29,985.36x = 401,122,088.50
  5. Step 5: Solve for x
    x = 401,122,088.50/29,985.36
  6. Step 6: Final answer
    x = 13,377.26

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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.