Home / 42,448.48-63,673.20-12,866.08

Finding the Fourth Proportional to 42,448.48, 63,673.20 and 12,866.08

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Solution

The fourth proportional to 42,448.48, 63,673.20 and 12,866.08 is: 19,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.48 : 63,673.20 = 12,866.08 : x
  2. Step 2: Convert to fraction form
    42,448.48/63,673.20 = 12,866.08/x
  3. Step 3: Cross multiply
    42,448.48x = 63,673.20 × 12,866.08
  4. Step 4: Simplify right side
    42,448.48x = 819,224,485.06
  5. Step 5: Solve for x
    x = 819,224,485.06/42,448.48
  6. Step 6: Final answer
    x = 19,299.27

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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.