Home / 35,690.10-53,544.89-12,319.98

Finding the Fourth Proportional to 35,690.10, 53,544.89 and 12,319.98

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Solution

The fourth proportional to 35,690.10, 53,544.89 and 12,319.98 is: 18,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.10 : 53,544.89 = 12,319.98 : x
  2. Step 2: Convert to fraction form
    35,690.10/53,544.89 = 12,319.98/x
  3. Step 3: Cross multiply
    35,690.10x = 53,544.89 × 12,319.98
  4. Step 4: Simplify right side
    35,690.10x = 659,671,973.90
  5. Step 5: Solve for x
    x = 659,671,973.90/35,690.10
  6. Step 6: Final answer
    x = 18,483.33

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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.