Home / 21,044.10-31,566.16-14,037.80

Finding the Fourth Proportional to 21,044.10, 31,566.16 and 14,037.80

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Solution

The fourth proportional to 21,044.10, 31,566.16 and 14,037.80 is: 21,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.10 : 31,566.16 = 14,037.80 : x
  2. Step 2: Convert to fraction form
    21,044.10/31,566.16 = 14,037.80/x
  3. Step 3: Cross multiply
    21,044.10x = 31,566.16 × 14,037.80
  4. Step 4: Simplify right side
    21,044.10x = 443,119,405.75
  5. Step 5: Solve for x
    x = 443,119,405.75/21,044.10
  6. Step 6: Final answer
    x = 21,056.70

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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.