Home / 35,949.12-53,931.36-12,576.32

Finding the Fourth Proportional to 35,949.12, 53,931.36 and 12,576.32

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Solution

The fourth proportional to 35,949.12, 53,931.36 and 12,576.32 is: 18,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,949.12 : 53,931.36 = 12,576.32 : x
  2. Step 2: Convert to fraction form
    35,949.12/53,931.36 = 12,576.32/x
  3. Step 3: Cross multiply
    35,949.12x = 53,931.36 × 12,576.32
  4. Step 4: Simplify right side
    35,949.12x = 678,258,041.40
  5. Step 5: Solve for x
    x = 678,258,041.40/35,949.12
  6. Step 6: Final answer
    x = 18,867.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.