Home / 43,384.40-65,113.54-30,934.92

Finding the Fourth Proportional to 43,384.40, 65,113.54 and 30,934.92

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Solution

The fourth proportional to 43,384.40, 65,113.54 and 30,934.92 is: 46,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.40 : 65,113.54 = 30,934.92 : x
  2. Step 2: Convert to fraction form
    43,384.40/65,113.54 = 30,934.92/x
  3. Step 3: Cross multiply
    43,384.40x = 65,113.54 × 30,934.92
  4. Step 4: Simplify right side
    43,384.40x = 2,014,282,150.82
  5. Step 5: Solve for x
    x = 2,014,282,150.82/43,384.40
  6. Step 6: Final answer
    x = 46,428.72

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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.