Home / 31,110.72-46,681.09-15,307.18

Finding the Fourth Proportional to 31,110.72, 46,681.09 and 15,307.18

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Solution

The fourth proportional to 31,110.72, 46,681.09 and 15,307.18 is: 22,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.72 : 46,681.09 = 15,307.18 : x
  2. Step 2: Convert to fraction form
    31,110.72/46,681.09 = 15,307.18/x
  3. Step 3: Cross multiply
    31,110.72x = 46,681.09 × 15,307.18
  4. Step 4: Simplify right side
    31,110.72x = 714,555,613.82
  5. Step 5: Solve for x
    x = 714,555,613.82/31,110.72
  6. Step 6: Final answer
    x = 22,968.15

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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.