Home / 54,570.90-75,307.56-30,697.75

Finding the Fourth Proportional to 54,570.90, 75,307.56 and 30,697.75

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Solution

The fourth proportional to 54,570.90, 75,307.56 and 30,697.75 is: 42,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.90 : 75,307.56 = 30,697.75 : x
  2. Step 2: Convert to fraction form
    54,570.90/75,307.56 = 30,697.75/x
  3. Step 3: Cross multiply
    54,570.90x = 75,307.56 × 30,697.75
  4. Step 4: Simplify right side
    54,570.90x = 2,311,772,649.99
  5. Step 5: Solve for x
    x = 2,311,772,649.99/54,570.90
  6. Step 6: Final answer
    x = 42,362.74

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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.