Home / 53,033.12-79,547.80-13,590.60

Finding the Fourth Proportional to 53,033.12, 79,547.80 and 13,590.60

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Solution

The fourth proportional to 53,033.12, 79,547.80 and 13,590.60 is: 20,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.12 : 79,547.80 = 13,590.60 : x
  2. Step 2: Convert to fraction form
    53,033.12/79,547.80 = 13,590.60/x
  3. Step 3: Cross multiply
    53,033.12x = 79,547.80 × 13,590.60
  4. Step 4: Simplify right side
    53,033.12x = 1,081,102,330.68
  5. Step 5: Solve for x
    x = 1,081,102,330.68/53,033.12
  6. Step 6: Final answer
    x = 20,385.42

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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.