Home / 43,532.91-65,237.77-18,547.80

Finding the Fourth Proportional to 43,532.91, 65,237.77 and 18,547.80

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Solution

The fourth proportional to 43,532.91, 65,237.77 and 18,547.80 is: 27,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,532.91 : 65,237.77 = 18,547.80 : x
  2. Step 2: Convert to fraction form
    43,532.91/65,237.77 = 18,547.80/x
  3. Step 3: Cross multiply
    43,532.91x = 65,237.77 × 18,547.80
  4. Step 4: Simplify right side
    43,532.91x = 1,210,017,110.41
  5. Step 5: Solve for x
    x = 1,210,017,110.41/43,532.91
  6. Step 6: Final answer
    x = 27,795.46

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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.