Home / 31,111.22-46,681.84-15,307.68

Finding the Fourth Proportional to 31,111.22, 46,681.84 and 15,307.68

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Solution

The fourth proportional to 31,111.22, 46,681.84 and 15,307.68 is: 22,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111.22 : 46,681.84 = 15,307.68 : x
  2. Step 2: Convert to fraction form
    31,111.22/46,681.84 = 15,307.68/x
  3. Step 3: Cross multiply
    31,111.22x = 46,681.84 × 15,307.68
  4. Step 4: Simplify right side
    31,111.22x = 714,590,668.53
  5. Step 5: Solve for x
    x = 714,590,668.53/31,111.22
  6. Step 6: Final answer
    x = 22,968.91

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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.