Home / 40,779.42-61,152.48-15,814.68

Finding the Fourth Proportional to 40,779.42, 61,152.48 and 15,814.68

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Solution

The fourth proportional to 40,779.42, 61,152.48 and 15,814.68 is: 23,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.42 : 61,152.48 = 15,814.68 : x
  2. Step 2: Convert to fraction form
    40,779.42/61,152.48 = 15,814.68/x
  3. Step 3: Cross multiply
    40,779.42x = 61,152.48 × 15,814.68
  4. Step 4: Simplify right side
    40,779.42x = 967,106,902.41
  5. Step 5: Solve for x
    x = 967,106,902.41/40,779.42
  6. Step 6: Final answer
    x = 23,715.56

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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.