Home / 37,430.19-51,652.89-20,434.77

Finding the Fourth Proportional to 37,430.19, 51,652.89 and 20,434.77

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Solution

The fourth proportional to 37,430.19, 51,652.89 and 20,434.77 is: 28,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.19 : 51,652.89 = 20,434.77 : x
  2. Step 2: Convert to fraction form
    37,430.19/51,652.89 = 20,434.77/x
  3. Step 3: Cross multiply
    37,430.19x = 51,652.89 × 20,434.77
  4. Step 4: Simplify right side
    37,430.19x = 1,055,514,926.99
  5. Step 5: Solve for x
    x = 1,055,514,926.99/37,430.19
  6. Step 6: Final answer
    x = 28,199.56

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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.