Home / 38,840.36-58,245.70-13,875.72

Finding the Fourth Proportional to 38,840.36, 58,245.70 and 13,875.72

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Solution

The fourth proportional to 38,840.36, 58,245.70 and 13,875.72 is: 20,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.36 : 58,245.70 = 13,875.72 : x
  2. Step 2: Convert to fraction form
    38,840.36/58,245.70 = 13,875.72/x
  3. Step 3: Cross multiply
    38,840.36x = 58,245.70 × 13,875.72
  4. Step 4: Simplify right side
    38,840.36x = 808,201,024.40
  5. Step 5: Solve for x
    x = 808,201,024.40/38,840.36
  6. Step 6: Final answer
    x = 20,808.28

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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.