Home / 37,291.80-51,461.18-21,365.20

Finding the Fourth Proportional to 37,291.80, 51,461.18 and 21,365.20

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Solution

The fourth proportional to 37,291.80, 51,461.18 and 21,365.20 is: 29,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.80 : 51,461.18 = 21,365.20 : x
  2. Step 2: Convert to fraction form
    37,291.80/51,461.18 = 21,365.20/x
  3. Step 3: Cross multiply
    37,291.80x = 51,461.18 × 21,365.20
  4. Step 4: Simplify right side
    37,291.80x = 1,099,478,402.94
  5. Step 5: Solve for x
    x = 1,099,478,402.94/37,291.80
  6. Step 6: Final answer
    x = 29,483.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.