Home / 42,669.52-63,998.64-12,683.14

Finding the Fourth Proportional to 42,669.52, 63,998.64 and 12,683.14

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Solution

The fourth proportional to 42,669.52, 63,998.64 and 12,683.14 is: 19,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.52 : 63,998.64 = 12,683.14 : x
  2. Step 2: Convert to fraction form
    42,669.52/63,998.64 = 12,683.14/x
  3. Step 3: Cross multiply
    42,669.52x = 63,998.64 × 12,683.14
  4. Step 4: Simplify right side
    42,669.52x = 811,703,710.93
  5. Step 5: Solve for x
    x = 811,703,710.93/42,669.52
  6. Step 6: Final answer
    x = 19,023.03

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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.