Home / 32,947.17-45,467.31-18,411.36

Finding the Fourth Proportional to 32,947.17, 45,467.31 and 18,411.36

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Solution

The fourth proportional to 32,947.17, 45,467.31 and 18,411.36 is: 25,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,947.17 : 45,467.31 = 18,411.36 : x
  2. Step 2: Convert to fraction form
    32,947.17/45,467.31 = 18,411.36/x
  3. Step 3: Cross multiply
    32,947.17x = 45,467.31 × 18,411.36
  4. Step 4: Simplify right side
    32,947.17x = 837,115,012.64
  5. Step 5: Solve for x
    x = 837,115,012.64/32,947.17
  6. Step 6: Final answer
    x = 25,407.80

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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.