Home / 45,637.20-62,979.36-26,774.40

Finding the Fourth Proportional to 45,637.20, 62,979.36 and 26,774.40

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Solution

The fourth proportional to 45,637.20, 62,979.36 and 26,774.40 is: 36,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.20 : 62,979.36 = 26,774.40 : x
  2. Step 2: Convert to fraction form
    45,637.20/62,979.36 = 26,774.40/x
  3. Step 3: Cross multiply
    45,637.20x = 62,979.36 × 26,774.40
  4. Step 4: Simplify right side
    45,637.20x = 1,686,234,576.38
  5. Step 5: Solve for x
    x = 1,686,234,576.38/45,637.20
  6. Step 6: Final answer
    x = 36,948.69

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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.