Home / 42,289.42-63,409.53-15,996.21

Finding the Fourth Proportional to 42,289.42, 63,409.53 and 15,996.21

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Solution

The fourth proportional to 42,289.42, 63,409.53 and 15,996.21 is: 23,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.42 : 63,409.53 = 15,996.21 : x
  2. Step 2: Convert to fraction form
    42,289.42/63,409.53 = 15,996.21/x
  3. Step 3: Cross multiply
    42,289.42x = 63,409.53 × 15,996.21
  4. Step 4: Simplify right side
    42,289.42x = 1,014,312,455.65
  5. Step 5: Solve for x
    x = 1,014,312,455.65/42,289.42
  6. Step 6: Final answer
    x = 23,985.02

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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.