Home / 45,017.48-67,514.70-21,301.64

Finding the Fourth Proportional to 45,017.48, 67,514.70 and 21,301.64

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Solution

The fourth proportional to 45,017.48, 67,514.70 and 21,301.64 is: 31,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.48 : 67,514.70 = 21,301.64 : x
  2. Step 2: Convert to fraction form
    45,017.48/67,514.70 = 21,301.64/x
  3. Step 3: Cross multiply
    45,017.48x = 67,514.70 × 21,301.64
  4. Step 4: Simplify right side
    45,017.48x = 1,438,173,834.11
  5. Step 5: Solve for x
    x = 1,438,173,834.11/45,017.48
  6. Step 6: Final answer
    x = 31,947.01

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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.