Home / 43,291.81-64,820.40-22,471.57

Finding the Fourth Proportional to 43,291.81, 64,820.40 and 22,471.57

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Solution

The fourth proportional to 43,291.81, 64,820.40 and 22,471.57 is: 33,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.81 : 64,820.40 = 22,471.57 : x
  2. Step 2: Convert to fraction form
    43,291.81/64,820.40 = 22,471.57/x
  3. Step 3: Cross multiply
    43,291.81x = 64,820.40 × 22,471.57
  4. Step 4: Simplify right side
    43,291.81x = 1,456,616,156.03
  5. Step 5: Solve for x
    x = 1,456,616,156.03/43,291.81
  6. Step 6: Final answer
    x = 33,646.46

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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.