Home / 56,425.35-84,639.24-20,888.42

Finding the Fourth Proportional to 56,425.35, 84,639.24 and 20,888.42

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Solution

The fourth proportional to 56,425.35, 84,639.24 and 20,888.42 is: 31,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.35 : 84,639.24 = 20,888.42 : x
  2. Step 2: Convert to fraction form
    56,425.35/84,639.24 = 20,888.42/x
  3. Step 3: Cross multiply
    56,425.35x = 84,639.24 × 20,888.42
  4. Step 4: Simplify right side
    56,425.35x = 1,767,980,205.20
  5. Step 5: Solve for x
    x = 1,767,980,205.20/56,425.35
  6. Step 6: Final answer
    x = 31,333.08

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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.