Home / 35,516.81-49,011.65-19,383.70

Finding the Fourth Proportional to 35,516.81, 49,011.65 and 19,383.70

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Solution

The fourth proportional to 35,516.81, 49,011.65 and 19,383.70 is: 26,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.81 : 49,011.65 = 19,383.70 : x
  2. Step 2: Convert to fraction form
    35,516.81/49,011.65 = 19,383.70/x
  3. Step 3: Cross multiply
    35,516.81x = 49,011.65 × 19,383.70
  4. Step 4: Simplify right side
    35,516.81x = 950,027,023.19
  5. Step 5: Solve for x
    x = 950,027,023.19/35,516.81
  6. Step 6: Final answer
    x = 26,748.66

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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.