Home / 39,246.02-54,160.54-21,342.08

Finding the Fourth Proportional to 39,246.02, 54,160.54 and 21,342.08

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Solution

The fourth proportional to 39,246.02, 54,160.54 and 21,342.08 is: 29,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.02 : 54,160.54 = 21,342.08 : x
  2. Step 2: Convert to fraction form
    39,246.02/54,160.54 = 21,342.08/x
  3. Step 3: Cross multiply
    39,246.02x = 54,160.54 × 21,342.08
  4. Step 4: Simplify right side
    39,246.02x = 1,155,898,253.37
  5. Step 5: Solve for x
    x = 1,155,898,253.37/39,246.02
  6. Step 6: Final answer
    x = 29,452.62

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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.