Home / 50,312.68-75,435.90-28,158.76

Finding the Fourth Proportional to 50,312.68, 75,435.90 and 28,158.76

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Solution

The fourth proportional to 50,312.68, 75,435.90 and 28,158.76 is: 42,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.68 : 75,435.90 = 28,158.76 : x
  2. Step 2: Convert to fraction form
    50,312.68/75,435.90 = 28,158.76/x
  3. Step 3: Cross multiply
    50,312.68x = 75,435.90 × 28,158.76
  4. Step 4: Simplify right side
    50,312.68x = 2,124,181,403.48
  5. Step 5: Solve for x
    x = 2,124,181,403.48/50,312.68
  6. Step 6: Final answer
    x = 42,219.60

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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.