Home / 39,355.81-54,272.86-24,990.30

Finding the Fourth Proportional to 39,355.81, 54,272.86 and 24,990.30

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Solution

The fourth proportional to 39,355.81, 54,272.86 and 24,990.30 is: 34,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.81 : 54,272.86 = 24,990.30 : x
  2. Step 2: Convert to fraction form
    39,355.81/54,272.86 = 24,990.30/x
  3. Step 3: Cross multiply
    39,355.81x = 54,272.86 × 24,990.30
  4. Step 4: Simplify right side
    39,355.81x = 1,356,294,971.12
  5. Step 5: Solve for x
    x = 1,356,294,971.12/39,355.81
  6. Step 6: Final answer
    x = 34,462.38

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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.