Home / 38,027.10-56,985.18-21,391.77

Finding the Fourth Proportional to 38,027.10, 56,985.18 and 21,391.77

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Solution

The fourth proportional to 38,027.10, 56,985.18 and 21,391.77 is: 32,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.10 : 56,985.18 = 21,391.77 : x
  2. Step 2: Convert to fraction form
    38,027.10/56,985.18 = 21,391.77/x
  3. Step 3: Cross multiply
    38,027.10x = 56,985.18 × 21,391.77
  4. Step 4: Simplify right side
    38,027.10x = 1,219,013,863.97
  5. Step 5: Solve for x
    x = 1,219,013,863.97/38,027.10
  6. Step 6: Final answer
    x = 32,056.45

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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.