Home / 39,586.48-54,628.08-21,681.04

Finding the Fourth Proportional to 39,586.48, 54,628.08 and 21,681.04

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Solution

The fourth proportional to 39,586.48, 54,628.08 and 21,681.04 is: 29,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.48 : 54,628.08 = 21,681.04 : x
  2. Step 2: Convert to fraction form
    39,586.48/54,628.08 = 21,681.04/x
  3. Step 3: Cross multiply
    39,586.48x = 54,628.08 × 21,681.04
  4. Step 4: Simplify right side
    39,586.48x = 1,184,393,587.60
  5. Step 5: Solve for x
    x = 1,184,393,587.60/39,586.48
  6. Step 6: Final answer
    x = 29,919.14

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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.