Home / 45,141.48-67,667.67-21,407.40

Finding the Fourth Proportional to 45,141.48, 67,667.67 and 21,407.40

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Solution

The fourth proportional to 45,141.48, 67,667.67 and 21,407.40 is: 32,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.48 : 67,667.67 = 21,407.40 : x
  2. Step 2: Convert to fraction form
    45,141.48/67,667.67 = 21,407.40/x
  3. Step 3: Cross multiply
    45,141.48x = 67,667.67 × 21,407.40
  4. Step 4: Simplify right side
    45,141.48x = 1,448,588,878.76
  5. Step 5: Solve for x
    x = 1,448,588,878.76/45,141.48
  6. Step 6: Final answer
    x = 32,089.97

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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.