Home / 50,259.30-75,385.29-20,275.50

Finding the Fourth Proportional to 50,259.30, 75,385.29 and 20,275.50

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Solution

The fourth proportional to 50,259.30, 75,385.29 and 20,275.50 is: 30,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,259.30 : 75,385.29 = 20,275.50 : x
  2. Step 2: Convert to fraction form
    50,259.30/75,385.29 = 20,275.50/x
  3. Step 3: Cross multiply
    50,259.30x = 75,385.29 × 20,275.50
  4. Step 4: Simplify right side
    50,259.30x = 1,528,474,447.40
  5. Step 5: Solve for x
    x = 1,528,474,447.40/50,259.30
  6. Step 6: Final answer
    x = 30,411.77

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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.