Home / 35,319.24-48,740.76-19,403.28

Finding the Fourth Proportional to 35,319.24, 48,740.76 and 19,403.28

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Solution

The fourth proportional to 35,319.24, 48,740.76 and 19,403.28 is: 26,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.24 : 48,740.76 = 19,403.28 : x
  2. Step 2: Convert to fraction form
    35,319.24/48,740.76 = 19,403.28/x
  3. Step 3: Cross multiply
    35,319.24x = 48,740.76 × 19,403.28
  4. Step 4: Simplify right side
    35,319.24x = 945,730,613.69
  5. Step 5: Solve for x
    x = 945,730,613.69/35,319.24
  6. Step 6: Final answer
    x = 26,776.64

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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.