Home / 31,312.22-46,988.68-13,560.21

Finding the Fourth Proportional to 31,312.22, 46,988.68 and 13,560.21

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Solution

The fourth proportional to 31,312.22, 46,988.68 and 13,560.21 is: 20,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.22 : 46,988.68 = 13,560.21 : x
  2. Step 2: Convert to fraction form
    31,312.22/46,988.68 = 13,560.21/x
  3. Step 3: Cross multiply
    31,312.22x = 46,988.68 × 13,560.21
  4. Step 4: Simplify right side
    31,312.22x = 637,176,368.42
  5. Step 5: Solve for x
    x = 637,176,368.42/31,312.22
  6. Step 6: Final answer
    x = 20,349.13

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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.