Home / 37,587.34-56,371.88-12,620.91

Finding the Fourth Proportional to 37,587.34, 56,371.88 and 12,620.91

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Solution

The fourth proportional to 37,587.34, 56,371.88 and 12,620.91 is: 18,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.34 : 56,371.88 = 12,620.91 : x
  2. Step 2: Convert to fraction form
    37,587.34/56,371.88 = 12,620.91/x
  3. Step 3: Cross multiply
    37,587.34x = 56,371.88 × 12,620.91
  4. Step 4: Simplify right side
    37,587.34x = 711,464,666.96
  5. Step 5: Solve for x
    x = 711,464,666.96/37,587.34
  6. Step 6: Final answer
    x = 18,928.31

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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.