Home / 48,392.48-72,588.56-12,857.35

Finding the Fourth Proportional to 48,392.48, 72,588.56 and 12,857.35

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Solution

The fourth proportional to 48,392.48, 72,588.56 and 12,857.35 is: 19,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,392.48 : 72,588.56 = 12,857.35 : x
  2. Step 2: Convert to fraction form
    48,392.48/72,588.56 = 12,857.35/x
  3. Step 3: Cross multiply
    48,392.48x = 72,588.56 × 12,857.35
  4. Step 4: Simplify right side
    48,392.48x = 933,296,505.84
  5. Step 5: Solve for x
    x = 933,296,505.84/48,392.48
  6. Step 6: Final answer
    x = 19,285.98

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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.