Home / 53,444.08-80,155.18-18,386.47

Finding the Fourth Proportional to 53,444.08, 80,155.18 and 18,386.47

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Solution

The fourth proportional to 53,444.08, 80,155.18 and 18,386.47 is: 27,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,444.08 : 80,155.18 = 18,386.47 : x
  2. Step 2: Convert to fraction form
    53,444.08/80,155.18 = 18,386.47/x
  3. Step 3: Cross multiply
    53,444.08x = 80,155.18 × 18,386.47
  4. Step 4: Simplify right side
    53,444.08x = 1,473,770,812.41
  5. Step 5: Solve for x
    x = 1,473,770,812.41/53,444.08
  6. Step 6: Final answer
    x = 27,575.94

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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.