Home / 39,139.02-53,999.08-22,141.62

Finding the Fourth Proportional to 39,139.02, 53,999.08 and 22,141.62

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Solution

The fourth proportional to 39,139.02, 53,999.08 and 22,141.62 is: 30,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.02 : 53,999.08 = 22,141.62 : x
  2. Step 2: Convert to fraction form
    39,139.02/53,999.08 = 22,141.62/x
  3. Step 3: Cross multiply
    39,139.02x = 53,999.08 × 22,141.62
  4. Step 4: Simplify right side
    39,139.02x = 1,195,627,109.71
  5. Step 5: Solve for x
    x = 1,195,627,109.71/39,139.02
  6. Step 6: Final answer
    x = 30,548.21

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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.