Home / 40,865.49-61,292.84-15,913.17

Finding the Fourth Proportional to 40,865.49, 61,292.84 and 15,913.17

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Solution

The fourth proportional to 40,865.49, 61,292.84 and 15,913.17 is: 23,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.49 : 61,292.84 = 15,913.17 : x
  2. Step 2: Convert to fraction form
    40,865.49/61,292.84 = 15,913.17/x
  3. Step 3: Cross multiply
    40,865.49x = 61,292.84 × 15,913.17
  4. Step 4: Simplify right side
    40,865.49x = 975,363,303.14
  5. Step 5: Solve for x
    x = 975,363,303.14/40,865.49
  6. Step 6: Final answer
    x = 23,867.65

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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.