Home / 50,313.68-75,437.40-28,159.76

Finding the Fourth Proportional to 50,313.68, 75,437.40 and 28,159.76

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Solution

The fourth proportional to 50,313.68, 75,437.40 and 28,159.76 is: 42,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,313.68 : 75,437.40 = 28,159.76 : x
  2. Step 2: Convert to fraction form
    50,313.68/75,437.40 = 28,159.76/x
  3. Step 3: Cross multiply
    50,313.68x = 75,437.40 × 28,159.76
  4. Step 4: Simplify right side
    50,313.68x = 2,124,299,079.02
  5. Step 5: Solve for x
    x = 2,124,299,079.02/50,313.68
  6. Step 6: Final answer
    x = 42,221.10

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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.