Home / 39,349.60-54,303.04-21,445.44

Finding the Fourth Proportional to 39,349.60, 54,303.04 and 21,445.44

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Solution

The fourth proportional to 39,349.60, 54,303.04 and 21,445.44 is: 29,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.60 : 54,303.04 = 21,445.44 : x
  2. Step 2: Convert to fraction form
    39,349.60/54,303.04 = 21,445.44/x
  3. Step 3: Cross multiply
    39,349.60x = 54,303.04 × 21,445.44
  4. Step 4: Simplify right side
    39,349.60x = 1,164,552,586.14
  5. Step 5: Solve for x
    x = 1,164,552,586.14/39,349.60
  6. Step 6: Final answer
    x = 29,595.03

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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.