Home / 62,409.47-93,614.21-20,856.47

Finding the Fourth Proportional to 62,409.47, 93,614.21 and 20,856.47

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Solution

The fourth proportional to 62,409.47, 93,614.21 and 20,856.47 is: 31,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.47 : 93,614.21 = 20,856.47 : x
  2. Step 2: Convert to fraction form
    62,409.47/93,614.21 = 20,856.47/x
  3. Step 3: Cross multiply
    62,409.47x = 93,614.21 × 20,856.47
  4. Step 4: Simplify right side
    62,409.47x = 1,952,461,390.09
  5. Step 5: Solve for x
    x = 1,952,461,390.09/62,409.47
  6. Step 6: Final answer
    x = 31,284.70

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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.