Home / 39,678.61-54,756.51-23,772.29

Finding the Fourth Proportional to 39,678.61, 54,756.51 and 23,772.29

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Solution

The fourth proportional to 39,678.61, 54,756.51 and 23,772.29 is: 32,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.61 : 54,756.51 = 23,772.29 : x
  2. Step 2: Convert to fraction form
    39,678.61/54,756.51 = 23,772.29/x
  3. Step 3: Cross multiply
    39,678.61x = 54,756.51 × 23,772.29
  4. Step 4: Simplify right side
    39,678.61x = 1,301,687,272.18
  5. Step 5: Solve for x
    x = 1,301,687,272.18/39,678.61
  6. Step 6: Final answer
    x = 32,805.77

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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.