Home / 47,498.09-71,266.76-20,830.28

Finding the Fourth Proportional to 47,498.09, 71,266.76 and 20,830.28

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Solution

The fourth proportional to 47,498.09, 71,266.76 and 20,830.28 is: 31,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498.09 : 71,266.76 = 20,830.28 : x
  2. Step 2: Convert to fraction form
    47,498.09/71,266.76 = 20,830.28/x
  3. Step 3: Cross multiply
    47,498.09x = 71,266.76 × 20,830.28
  4. Step 4: Simplify right side
    47,498.09x = 1,484,506,105.01
  5. Step 5: Solve for x
    x = 1,484,506,105.01/47,498.09
  6. Step 6: Final answer
    x = 31,254.02

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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.