Home / 31,594.63-43,607.42-21,547.06

Finding the Fourth Proportional to 31,594.63, 43,607.42 and 21,547.06

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Solution

The fourth proportional to 31,594.63, 43,607.42 and 21,547.06 is: 29,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594.63 : 43,607.42 = 21,547.06 : x
  2. Step 2: Convert to fraction form
    31,594.63/43,607.42 = 21,547.06/x
  3. Step 3: Cross multiply
    31,594.63x = 43,607.42 × 21,547.06
  4. Step 4: Simplify right side
    31,594.63x = 939,611,695.19
  5. Step 5: Solve for x
    x = 939,611,695.19/31,594.63
  6. Step 6: Final answer
    x = 29,739.60

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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.