Home / 39,319.02-54,259.47-21,414.24

Finding the Fourth Proportional to 39,319.02, 54,259.47 and 21,414.24

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Solution

The fourth proportional to 39,319.02, 54,259.47 and 21,414.24 is: 29,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.02 : 54,259.47 = 21,414.24 : x
  2. Step 2: Convert to fraction form
    39,319.02/54,259.47 = 21,414.24/x
  3. Step 3: Cross multiply
    39,319.02x = 54,259.47 × 21,414.24
  4. Step 4: Simplify right side
    39,319.02x = 1,161,925,312.85
  5. Step 5: Solve for x
    x = 1,161,925,312.85/39,319.02
  6. Step 6: Final answer
    x = 29,551.23

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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.