Home / 39,368.01-54,327.84-21,463.02

Finding the Fourth Proportional to 39,368.01, 54,327.84 and 21,463.02

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Solution

The fourth proportional to 39,368.01, 54,327.84 and 21,463.02 is: 29,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368.01 : 54,327.84 = 21,463.02 : x
  2. Step 2: Convert to fraction form
    39,368.01/54,327.84 = 21,463.02/x
  3. Step 3: Cross multiply
    39,368.01x = 54,327.84 × 21,463.02
  4. Step 4: Simplify right side
    39,368.01x = 1,166,039,516.48
  5. Step 5: Solve for x
    x = 1,166,039,516.48/39,368.01
  6. Step 6: Final answer
    x = 29,618.96

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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.