Home / 40,312.43-60,453.09-13,288.28

Finding the Fourth Proportional to 40,312.43, 60,453.09 and 13,288.28

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Solution

The fourth proportional to 40,312.43, 60,453.09 and 13,288.28 is: 19,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.43 : 60,453.09 = 13,288.28 : x
  2. Step 2: Convert to fraction form
    40,312.43/60,453.09 = 13,288.28/x
  3. Step 3: Cross multiply
    40,312.43x = 60,453.09 × 13,288.28
  4. Step 4: Simplify right side
    40,312.43x = 803,317,780.26
  5. Step 5: Solve for x
    x = 803,317,780.26/40,312.43
  6. Step 6: Final answer
    x = 19,927.30

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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.