Home / 50,892.20-70,231.96-30,746.28

Finding the Fourth Proportional to 50,892.20, 70,231.96 and 30,746.28

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Solution

The fourth proportional to 50,892.20, 70,231.96 and 30,746.28 is: 42,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.20 : 70,231.96 = 30,746.28 : x
  2. Step 2: Convert to fraction form
    50,892.20/70,231.96 = 30,746.28/x
  3. Step 3: Cross multiply
    50,892.20x = 70,231.96 × 30,746.28
  4. Step 4: Simplify right side
    50,892.20x = 2,159,371,507.11
  5. Step 5: Solve for x
    x = 2,159,371,507.11/50,892.20
  6. Step 6: Final answer
    x = 42,430.30

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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.