Home / 37,783.20-56,637.60-21,151.20

Finding the Fourth Proportional to 37,783.20, 56,637.60 and 21,151.20

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Solution

The fourth proportional to 37,783.20, 56,637.60 and 21,151.20 is: 31,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,783.20 : 56,637.60 = 21,151.20 : x
  2. Step 2: Convert to fraction form
    37,783.20/56,637.60 = 21,151.20/x
  3. Step 3: Cross multiply
    37,783.20x = 56,637.60 × 21,151.20
  4. Step 4: Simplify right side
    37,783.20x = 1,197,953,205.12
  5. Step 5: Solve for x
    x = 1,197,953,205.12/37,783.20
  6. Step 6: Final answer
    x = 31,705.98

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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.