Home / 36,430.24-50,271.44-20,513.76

Finding the Fourth Proportional to 36,430.24, 50,271.44 and 20,513.76

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Solution

The fourth proportional to 36,430.24, 50,271.44 and 20,513.76 is: 28,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.24 : 50,271.44 = 20,513.76 : x
  2. Step 2: Convert to fraction form
    36,430.24/50,271.44 = 20,513.76/x
  3. Step 3: Cross multiply
    36,430.24x = 50,271.44 × 20,513.76
  4. Step 4: Simplify right side
    36,430.24x = 1,031,256,255.01
  5. Step 5: Solve for x
    x = 1,031,256,255.01/36,430.24
  6. Step 6: Final answer
    x = 28,307.70

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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.