Home / 30,587.96-42,197.10-19,252.28

Finding the Fourth Proportional to 30,587.96, 42,197.10 and 19,252.28

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Solution

The fourth proportional to 30,587.96, 42,197.10 and 19,252.28 is: 26,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.96 : 42,197.10 = 19,252.28 : x
  2. Step 2: Convert to fraction form
    30,587.96/42,197.10 = 19,252.28/x
  3. Step 3: Cross multiply
    30,587.96x = 42,197.10 × 19,252.28
  4. Step 4: Simplify right side
    30,587.96x = 812,390,384.39
  5. Step 5: Solve for x
    x = 812,390,384.39/30,587.96
  6. Step 6: Final answer
    x = 26,559.16

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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.