Home / 39,800.78-54,914.18-24,686.18

Finding the Fourth Proportional to 39,800.78, 54,914.18 and 24,686.18

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Solution

The fourth proportional to 39,800.78, 54,914.18 and 24,686.18 is: 34,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,800.78 : 54,914.18 = 24,686.18 : x
  2. Step 2: Convert to fraction form
    39,800.78/54,914.18 = 24,686.18/x
  3. Step 3: Cross multiply
    39,800.78x = 54,914.18 × 24,686.18
  4. Step 4: Simplify right side
    39,800.78x = 1,355,621,332.03
  5. Step 5: Solve for x
    x = 1,355,621,332.03/39,800.78
  6. Step 6: Final answer
    x = 34,060.17

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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.