Home / 39,176.04-54,062.88-21,271.50

Finding the Fourth Proportional to 39,176.04, 54,062.88 and 21,271.50

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Solution

The fourth proportional to 39,176.04, 54,062.88 and 21,271.50 is: 29,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.04 : 54,062.88 = 21,271.50 : x
  2. Step 2: Convert to fraction form
    39,176.04/54,062.88 = 21,271.50/x
  3. Step 3: Cross multiply
    39,176.04x = 54,062.88 × 21,271.50
  4. Step 4: Simplify right side
    39,176.04x = 1,149,998,551.92
  5. Step 5: Solve for x
    x = 1,149,998,551.92/39,176.04
  6. Step 6: Final answer
    x = 29,354.64

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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.