Home / 35,118.18-52,698.06-12,947.16

Finding the Fourth Proportional to 35,118.18, 52,698.06 and 12,947.16

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Solution

The fourth proportional to 35,118.18, 52,698.06 and 12,947.16 is: 19,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.18 : 52,698.06 = 12,947.16 : x
  2. Step 2: Convert to fraction form
    35,118.18/52,698.06 = 12,947.16/x
  3. Step 3: Cross multiply
    35,118.18x = 52,698.06 × 12,947.16
  4. Step 4: Simplify right side
    35,118.18x = 682,290,214.51
  5. Step 5: Solve for x
    x = 682,290,214.51/35,118.18
  6. Step 6: Final answer
    x = 19,428.40

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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.