Home / 52,018.50-77,990.16-30,908.49

Finding the Fourth Proportional to 52,018.50, 77,990.16 and 30,908.49

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Solution

The fourth proportional to 52,018.50, 77,990.16 and 30,908.49 is: 46,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.50 : 77,990.16 = 30,908.49 : x
  2. Step 2: Convert to fraction form
    52,018.50/77,990.16 = 30,908.49/x
  3. Step 3: Cross multiply
    52,018.50x = 77,990.16 × 30,908.49
  4. Step 4: Simplify right side
    52,018.50x = 2,410,558,080.46
  5. Step 5: Solve for x
    x = 2,410,558,080.46/52,018.50
  6. Step 6: Final answer
    x = 46,340.40

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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.