Home / 55,625.90-83,438.11-13,506.32

Finding the Fourth Proportional to 55,625.90, 83,438.11 and 13,506.32

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Solution

The fourth proportional to 55,625.90, 83,438.11 and 13,506.32 is: 20,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.90 : 83,438.11 = 13,506.32 : x
  2. Step 2: Convert to fraction form
    55,625.90/83,438.11 = 13,506.32/x
  3. Step 3: Cross multiply
    55,625.90x = 83,438.11 × 13,506.32
  4. Step 4: Simplify right side
    55,625.90x = 1,126,941,813.86
  5. Step 5: Solve for x
    x = 1,126,941,813.86/55,625.90
  6. Step 6: Final answer
    x = 20,259.30

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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.