Home / 31,384.17-43,312.28-17,237.16

Finding the Fourth Proportional to 31,384.17, 43,312.28 and 17,237.16

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Solution

The fourth proportional to 31,384.17, 43,312.28 and 17,237.16 is: 23,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.17 : 43,312.28 = 17,237.16 : x
  2. Step 2: Convert to fraction form
    31,384.17/43,312.28 = 17,237.16/x
  3. Step 3: Cross multiply
    31,384.17x = 43,312.28 × 17,237.16
  4. Step 4: Simplify right side
    31,384.17x = 746,580,614.14
  5. Step 5: Solve for x
    x = 746,580,614.14/31,384.17
  6. Step 6: Final answer
    x = 23,788.45

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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.