Home / 31,207.04-46,784.64-21,820.22

Finding the Fourth Proportional to 31,207.04, 46,784.64 and 21,820.22

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Solution

The fourth proportional to 31,207.04, 46,784.64 and 21,820.22 is: 32,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.04 : 46,784.64 = 21,820.22 : x
  2. Step 2: Convert to fraction form
    31,207.04/46,784.64 = 21,820.22/x
  3. Step 3: Cross multiply
    31,207.04x = 46,784.64 × 21,820.22
  4. Step 4: Simplify right side
    31,207.04x = 1,020,851,137.42
  5. Step 5: Solve for x
    x = 1,020,851,137.42/31,207.04
  6. Step 6: Final answer
    x = 32,712.21

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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.