Home / 53,209.90-73,430.04-29,339.20

Finding the Fourth Proportional to 53,209.90, 73,430.04 and 29,339.20

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Solution

The fourth proportional to 53,209.90, 73,430.04 and 29,339.20 is: 40,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.90 : 73,430.04 = 29,339.20 : x
  2. Step 2: Convert to fraction form
    53,209.90/73,430.04 = 29,339.20/x
  3. Step 3: Cross multiply
    53,209.90x = 73,430.04 × 29,339.20
  4. Step 4: Simplify right side
    53,209.90x = 2,154,378,629.57
  5. Step 5: Solve for x
    x = 2,154,378,629.57/53,209.90
  6. Step 6: Final answer
    x = 40,488.30

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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.