Home / 42,220.42-63,313.10-15,567.93

Finding the Fourth Proportional to 42,220.42, 63,313.10 and 15,567.93

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Solution

The fourth proportional to 42,220.42, 63,313.10 and 15,567.93 is: 23,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.42 : 63,313.10 = 15,567.93 : x
  2. Step 2: Convert to fraction form
    42,220.42/63,313.10 = 15,567.93/x
  3. Step 3: Cross multiply
    42,220.42x = 63,313.10 × 15,567.93
  4. Step 4: Simplify right side
    42,220.42x = 985,653,933.21
  5. Step 5: Solve for x
    x = 985,653,933.21/42,220.42
  6. Step 6: Final answer
    x = 23,345.43

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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.