Home / 45,259.01-67,887.77-13,667.79

Finding the Fourth Proportional to 45,259.01, 67,887.77 and 13,667.79

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Solution

The fourth proportional to 45,259.01, 67,887.77 and 13,667.79 is: 20,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.01 : 67,887.77 = 13,667.79 : x
  2. Step 2: Convert to fraction form
    45,259.01/67,887.77 = 13,667.79/x
  3. Step 3: Cross multiply
    45,259.01x = 67,887.77 × 13,667.79
  4. Step 4: Simplify right side
    45,259.01x = 927,875,715.59
  5. Step 5: Solve for x
    x = 927,875,715.59/45,259.01
  6. Step 6: Final answer
    x = 20,501.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.