Home / 32,547.45-48,821.19-12,815.22

Finding the Fourth Proportional to 32,547.45, 48,821.19 and 12,815.22

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Solution

The fourth proportional to 32,547.45, 48,821.19 and 12,815.22 is: 19,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,547.45 : 48,821.19 = 12,815.22 : x
  2. Step 2: Convert to fraction form
    32,547.45/48,821.19 = 12,815.22/x
  3. Step 3: Cross multiply
    32,547.45x = 48,821.19 × 12,815.22
  4. Step 4: Simplify right side
    32,547.45x = 625,654,290.51
  5. Step 5: Solve for x
    x = 625,654,290.51/32,547.45
  6. Step 6: Final answer
    x = 19,222.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.