Home / 50,712.96-69,945.60-30,547.20

Finding the Fourth Proportional to 50,712.96, 69,945.60 and 30,547.20

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Solution

The fourth proportional to 50,712.96, 69,945.60 and 30,547.20 is: 42,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.96 : 69,945.60 = 30,547.20 : x
  2. Step 2: Convert to fraction form
    50,712.96/69,945.60 = 30,547.20/x
  3. Step 3: Cross multiply
    50,712.96x = 69,945.60 × 30,547.20
  4. Step 4: Simplify right side
    50,712.96x = 2,136,642,232.32
  5. Step 5: Solve for x
    x = 2,136,642,232.32/50,712.96
  6. Step 6: Final answer
    x = 42,132.07

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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.