Home / 30,111.68-41,549.28-18,925.76

Finding the Fourth Proportional to 30,111.68, 41,549.28 and 18,925.76

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Solution

The fourth proportional to 30,111.68, 41,549.28 and 18,925.76 is: 26,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.68 : 41,549.28 = 18,925.76 : x
  2. Step 2: Convert to fraction form
    30,111.68/41,549.28 = 18,925.76/x
  3. Step 3: Cross multiply
    30,111.68x = 41,549.28 × 18,925.76
  4. Step 4: Simplify right side
    30,111.68x = 786,351,701.45
  5. Step 5: Solve for x
    x = 786,351,701.45/30,111.68
  6. Step 6: Final answer
    x = 26,114.51

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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.