Home / 37,483.12-51,723.66-20,716.12

Finding the Fourth Proportional to 37,483.12, 51,723.66 and 20,716.12

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Solution

The fourth proportional to 37,483.12, 51,723.66 and 20,716.12 is: 28,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,483.12 : 51,723.66 = 20,716.12 : x
  2. Step 2: Convert to fraction form
    37,483.12/51,723.66 = 20,716.12/x
  3. Step 3: Cross multiply
    37,483.12x = 51,723.66 × 20,716.12
  4. Step 4: Simplify right side
    37,483.12x = 1,071,513,547.40
  5. Step 5: Solve for x
    x = 1,071,513,547.40/37,483.12
  6. Step 6: Final answer
    x = 28,586.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.