Home / 39,332.44-54,280.02-21,428.02

Finding the Fourth Proportional to 39,332.44, 54,280.02 and 21,428.02

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Solution

The fourth proportional to 39,332.44, 54,280.02 and 21,428.02 is: 29,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332.44 : 54,280.02 = 21,428.02 : x
  2. Step 2: Convert to fraction form
    39,332.44/54,280.02 = 21,428.02/x
  3. Step 3: Cross multiply
    39,332.44x = 54,280.02 × 21,428.02
  4. Step 4: Simplify right side
    39,332.44x = 1,163,113,354.16
  5. Step 5: Solve for x
    x = 1,163,113,354.16/39,332.44
  6. Step 6: Final answer
    x = 29,571.35

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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.