Home / 37,039.80-55,547.55-13,663.20

Finding the Fourth Proportional to 37,039.80, 55,547.55 and 13,663.20

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Solution

The fourth proportional to 37,039.80, 55,547.55 and 13,663.20 is: 20,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.80 : 55,547.55 = 13,663.20 : x
  2. Step 2: Convert to fraction form
    37,039.80/55,547.55 = 13,663.20/x
  3. Step 3: Cross multiply
    37,039.80x = 55,547.55 × 13,663.20
  4. Step 4: Simplify right side
    37,039.80x = 758,957,285.16
  5. Step 5: Solve for x
    x = 758,957,285.16/37,039.80
  6. Step 6: Final answer
    x = 20,490.32

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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.