Home / 39,718.23-54,774.58-26,990.49

Finding the Fourth Proportional to 39,718.23, 54,774.58 and 26,990.49

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Solution

The fourth proportional to 39,718.23, 54,774.58 and 26,990.49 is: 37,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.23 : 54,774.58 = 26,990.49 : x
  2. Step 2: Convert to fraction form
    39,718.23/54,774.58 = 26,990.49/x
  3. Step 3: Cross multiply
    39,718.23x = 54,774.58 × 26,990.49
  4. Step 4: Simplify right side
    39,718.23x = 1,478,392,753.74
  5. Step 5: Solve for x
    x = 1,478,392,753.74/39,718.23
  6. Step 6: Final answer
    x = 37,222.02

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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.