Home / 40,814.76-61,188.40-15,509.04

Finding the Fourth Proportional to 40,814.76, 61,188.40 and 15,509.04

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Solution

The fourth proportional to 40,814.76, 61,188.40 and 15,509.04 is: 23,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.76 : 61,188.40 = 15,509.04 : x
  2. Step 2: Convert to fraction form
    40,814.76/61,188.40 = 15,509.04/x
  3. Step 3: Cross multiply
    40,814.76x = 61,188.40 × 15,509.04
  4. Step 4: Simplify right side
    40,814.76x = 948,973,343.14
  5. Step 5: Solve for x
    x = 948,973,343.14/40,814.76
  6. Step 6: Final answer
    x = 23,250.74

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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.