Home / 31,386.90-47,036.61-23,586.60

Finding the Fourth Proportional to 31,386.90, 47,036.61 and 23,586.60

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Solution

The fourth proportional to 31,386.90, 47,036.61 and 23,586.60 is: 35,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386.90 : 47,036.61 = 23,586.60 : x
  2. Step 2: Convert to fraction form
    31,386.90/47,036.61 = 23,586.60/x
  3. Step 3: Cross multiply
    31,386.90x = 47,036.61 × 23,586.60
  4. Step 4: Simplify right side
    31,386.90x = 1,109,433,705.43
  5. Step 5: Solve for x
    x = 1,109,433,705.43/31,386.90
  6. Step 6: Final answer
    x = 35,347.03

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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.