Home / 29,312.26-43,980.68-12,663.72

Finding the Fourth Proportional to 29,312.26, 43,980.68 and 12,663.72

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Solution

The fourth proportional to 29,312.26, 43,980.68 and 12,663.72 is: 19,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.26 : 43,980.68 = 12,663.72 : x
  2. Step 2: Convert to fraction form
    29,312.26/43,980.68 = 12,663.72/x
  3. Step 3: Cross multiply
    29,312.26x = 43,980.68 × 12,663.72
  4. Step 4: Simplify right side
    29,312.26x = 556,959,048.59
  5. Step 5: Solve for x
    x = 556,959,048.59/29,312.26
  6. Step 6: Final answer
    x = 19,000.89

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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.