Home / 30,078.66-45,117.80-23,510.38

Finding the Fourth Proportional to 30,078.66, 45,117.80 and 23,510.38

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Solution

The fourth proportional to 30,078.66, 45,117.80 and 23,510.38 is: 35,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.66 : 45,117.80 = 23,510.38 : x
  2. Step 2: Convert to fraction form
    30,078.66/45,117.80 = 23,510.38/x
  3. Step 3: Cross multiply
    30,078.66x = 45,117.80 × 23,510.38
  4. Step 4: Simplify right side
    30,078.66x = 1,060,736,622.76
  5. Step 5: Solve for x
    x = 1,060,736,622.76/30,078.66
  6. Step 6: Final answer
    x = 35,265.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.