Home / 30,925.92-42,699.96-19,005.24

Finding the Fourth Proportional to 30,925.92, 42,699.96 and 19,005.24

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Solution

The fourth proportional to 30,925.92, 42,699.96 and 19,005.24 is: 26,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.92 : 42,699.96 = 19,005.24 : x
  2. Step 2: Convert to fraction form
    30,925.92/42,699.96 = 19,005.24/x
  3. Step 3: Cross multiply
    30,925.92x = 42,699.96 × 19,005.24
  4. Step 4: Simplify right side
    30,925.92x = 811,522,987.79
  5. Step 5: Solve for x
    x = 811,522,987.79/30,925.92
  6. Step 6: Final answer
    x = 26,240.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.