Home / 37,125.90-51,233.79-20,130.24

Finding the Fourth Proportional to 37,125.90, 51,233.79 and 20,130.24

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Solution

The fourth proportional to 37,125.90, 51,233.79 and 20,130.24 is: 27,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.90 : 51,233.79 = 20,130.24 : x
  2. Step 2: Convert to fraction form
    37,125.90/51,233.79 = 20,130.24/x
  3. Step 3: Cross multiply
    37,125.90x = 51,233.79 × 20,130.24
  4. Step 4: Simplify right side
    37,125.90x = 1,031,348,488.81
  5. Step 5: Solve for x
    x = 1,031,348,488.81/37,125.90
  6. Step 6: Final answer
    x = 27,779.76

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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.