Home / 42,645.12-63,967.68-13,062.84

Finding the Fourth Proportional to 42,645.12, 63,967.68 and 13,062.84

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Solution

The fourth proportional to 42,645.12, 63,967.68 and 13,062.84 is: 19,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.12 : 63,967.68 = 13,062.84 : x
  2. Step 2: Convert to fraction form
    42,645.12/63,967.68 = 13,062.84/x
  3. Step 3: Cross multiply
    42,645.12x = 63,967.68 × 13,062.84
  4. Step 4: Simplify right side
    42,645.12x = 835,599,569.01
  5. Step 5: Solve for x
    x = 835,599,569.01/42,645.12
  6. Step 6: Final answer
    x = 19,594.26

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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.