Home / 31,357.95-47,036.89-13,574.04

Finding the Fourth Proportional to 31,357.95, 47,036.89 and 13,574.04

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Solution

The fourth proportional to 31,357.95, 47,036.89 and 13,574.04 is: 20,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.95 : 47,036.89 = 13,574.04 : x
  2. Step 2: Convert to fraction form
    31,357.95/47,036.89 = 13,574.04/x
  3. Step 3: Cross multiply
    31,357.95x = 47,036.89 × 13,574.04
  4. Step 4: Simplify right side
    31,357.95x = 638,480,626.34
  5. Step 5: Solve for x
    x = 638,480,626.34/31,357.95
  6. Step 6: Final answer
    x = 20,361.04

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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.