Home / 39,657.60-54,730.27-22,664.35

Finding the Fourth Proportional to 39,657.60, 54,730.27 and 22,664.35

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Solution

The fourth proportional to 39,657.60, 54,730.27 and 22,664.35 is: 31,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.60 : 54,730.27 = 22,664.35 : x
  2. Step 2: Convert to fraction form
    39,657.60/54,730.27 = 22,664.35/x
  3. Step 3: Cross multiply
    39,657.60x = 54,730.27 × 22,664.35
  4. Step 4: Simplify right side
    39,657.60x = 1,240,425,994.87
  5. Step 5: Solve for x
    x = 1,240,425,994.87/39,657.60
  6. Step 6: Final answer
    x = 31,278.39

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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.