Home / 71,044.04-98,033.80-39,210.90

Finding the Fourth Proportional to 71,044.04, 98,033.80 and 39,210.90

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Solution

The fourth proportional to 71,044.04, 98,033.80 and 39,210.90 is: 54,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.04 : 98,033.80 = 39,210.90 : x
  2. Step 2: Convert to fraction form
    71,044.04/98,033.80 = 39,210.90/x
  3. Step 3: Cross multiply
    71,044.04x = 98,033.80 × 39,210.90
  4. Step 4: Simplify right side
    71,044.04x = 3,843,993,528.42
  5. Step 5: Solve for x
    x = 3,843,993,528.42/71,044.04
  6. Step 6: Final answer
    x = 54,107.19

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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.