Home / 53,033.10-79,547.85-13,590.60

Finding the Fourth Proportional to 53,033.10, 79,547.85 and 13,590.60

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Solution

The fourth proportional to 53,033.10, 79,547.85 and 13,590.60 is: 20,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.10 : 79,547.85 = 13,590.60 : x
  2. Step 2: Convert to fraction form
    53,033.10/79,547.85 = 13,590.60/x
  3. Step 3: Cross multiply
    53,033.10x = 79,547.85 × 13,590.60
  4. Step 4: Simplify right side
    53,033.10x = 1,081,103,010.21
  5. Step 5: Solve for x
    x = 1,081,103,010.21/53,033.10
  6. Step 6: Final answer
    x = 20,385.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.