Home / 55,019.88-75,925.11-30,823.17

Finding the Fourth Proportional to 55,019.88, 75,925.11 and 30,823.17

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Solution

The fourth proportional to 55,019.88, 75,925.11 and 30,823.17 is: 42,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.88 : 75,925.11 = 30,823.17 : x
  2. Step 2: Convert to fraction form
    55,019.88/75,925.11 = 30,823.17/x
  3. Step 3: Cross multiply
    55,019.88x = 75,925.11 × 30,823.17
  4. Step 4: Simplify right side
    55,019.88x = 2,340,252,572.80
  5. Step 5: Solve for x
    x = 2,340,252,572.80/55,019.88
  6. Step 6: Final answer
    x = 42,534.67

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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.