Home / 39,971.04-55,150.08-29,341.92

Finding the Fourth Proportional to 39,971.04, 55,150.08 and 29,341.92

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Solution

The fourth proportional to 39,971.04, 55,150.08 and 29,341.92 is: 40,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.04 : 55,150.08 = 29,341.92 : x
  2. Step 2: Convert to fraction form
    39,971.04/55,150.08 = 29,341.92/x
  3. Step 3: Cross multiply
    39,971.04x = 55,150.08 × 29,341.92
  4. Step 4: Simplify right side
    39,971.04x = 1,618,209,235.35
  5. Step 5: Solve for x
    x = 1,618,209,235.35/39,971.04
  6. Step 6: Final answer
    x = 40,484.54

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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.