Home / 31,128.90-46,697.58-10,061.95

Finding the Fourth Proportional to 31,128.90, 46,697.58 and 10,061.95

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Solution

The fourth proportional to 31,128.90, 46,697.58 and 10,061.95 is: 15,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.90 : 46,697.58 = 10,061.95 : x
  2. Step 2: Convert to fraction form
    31,128.90/46,697.58 = 10,061.95/x
  3. Step 3: Cross multiply
    31,128.90x = 46,697.58 × 10,061.95
  4. Step 4: Simplify right side
    31,128.90x = 469,868,715.08
  5. Step 5: Solve for x
    x = 469,868,715.08/31,128.90
  6. Step 6: Final answer
    x = 15,094.29

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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.