Home / 47,686.09-65,812.07-30,474.33

Finding the Fourth Proportional to 47,686.09, 65,812.07 and 30,474.33

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Solution

The fourth proportional to 47,686.09, 65,812.07 and 30,474.33 is: 42,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.09 : 65,812.07 = 30,474.33 : x
  2. Step 2: Convert to fraction form
    47,686.09/65,812.07 = 30,474.33/x
  3. Step 3: Cross multiply
    47,686.09x = 65,812.07 × 30,474.33
  4. Step 4: Simplify right side
    47,686.09x = 2,005,578,482.84
  5. Step 5: Solve for x
    x = 2,005,578,482.84/47,686.09
  6. Step 6: Final answer
    x = 42,057.93

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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.