Home / 54,729.48-75,526.77-30,856.09

Finding the Fourth Proportional to 54,729.48, 75,526.77 and 30,856.09

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Solution

The fourth proportional to 54,729.48, 75,526.77 and 30,856.09 is: 42,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.48 : 75,526.77 = 30,856.09 : x
  2. Step 2: Convert to fraction form
    54,729.48/75,526.77 = 30,856.09/x
  3. Step 3: Cross multiply
    54,729.48x = 75,526.77 × 30,856.09
  4. Step 4: Simplify right side
    54,729.48x = 2,330,460,280.62
  5. Step 5: Solve for x
    x = 2,330,460,280.62/54,729.48
  6. Step 6: Final answer
    x = 42,581.45

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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.