Home / 42,567.12-63,850.68-12,984.84

Finding the Fourth Proportional to 42,567.12, 63,850.68 and 12,984.84

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Solution

The fourth proportional to 42,567.12, 63,850.68 and 12,984.84 is: 19,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.12 : 63,850.68 = 12,984.84 : x
  2. Step 2: Convert to fraction form
    42,567.12/63,850.68 = 12,984.84/x
  3. Step 3: Cross multiply
    42,567.12x = 63,850.68 × 12,984.84
  4. Step 4: Simplify right side
    42,567.12x = 829,090,863.69
  5. Step 5: Solve for x
    x = 829,090,863.69/42,567.12
  6. Step 6: Final answer
    x = 19,477.26

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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.