Home / 32,785.74-45,293.67-21,482.10

Finding the Fourth Proportional to 32,785.74, 45,293.67 and 21,482.10

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Solution

The fourth proportional to 32,785.74, 45,293.67 and 21,482.10 is: 29,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.74 : 45,293.67 = 21,482.10 : x
  2. Step 2: Convert to fraction form
    32,785.74/45,293.67 = 21,482.10/x
  3. Step 3: Cross multiply
    32,785.74x = 45,293.67 × 21,482.10
  4. Step 4: Simplify right side
    32,785.74x = 973,003,148.31
  5. Step 5: Solve for x
    x = 973,003,148.31/32,785.74
  6. Step 6: Final answer
    x = 29,677.63

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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.