Home / 30,587.04-42,203.70-19,992.24

Finding the Fourth Proportional to 30,587.04, 42,203.70 and 19,992.24

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Solution

The fourth proportional to 30,587.04, 42,203.70 and 19,992.24 is: 27,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.04 : 42,203.70 = 19,992.24 : x
  2. Step 2: Convert to fraction form
    30,587.04/42,203.70 = 19,992.24/x
  3. Step 3: Cross multiply
    30,587.04x = 42,203.70 × 19,992.24
  4. Step 4: Simplify right side
    30,587.04x = 843,746,499.29
  5. Step 5: Solve for x
    x = 843,746,499.29/30,587.04
  6. Step 6: Final answer
    x = 27,585.10

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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.