Home / 55,641.58-83,461.23-13,521.89

Finding the Fourth Proportional to 55,641.58, 83,461.23 and 13,521.89

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Solution

The fourth proportional to 55,641.58, 83,461.23 and 13,521.89 is: 20,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.58 : 83,461.23 = 13,521.89 : x
  2. Step 2: Convert to fraction form
    55,641.58/83,461.23 = 13,521.89/x
  3. Step 3: Cross multiply
    55,641.58x = 83,461.23 × 13,521.89
  4. Step 4: Simplify right side
    55,641.58x = 1,128,553,779.98
  5. Step 5: Solve for x
    x = 1,128,553,779.98/55,641.58
  6. Step 6: Final answer
    x = 20,282.56

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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.