Home / 31,762.02-43,828.38-18,337.59

Finding the Fourth Proportional to 31,762.02, 43,828.38 and 18,337.59

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Solution

The fourth proportional to 31,762.02, 43,828.38 and 18,337.59 is: 25,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.02 : 43,828.38 = 18,337.59 : x
  2. Step 2: Convert to fraction form
    31,762.02/43,828.38 = 18,337.59/x
  3. Step 3: Cross multiply
    31,762.02x = 43,828.38 × 18,337.59
  4. Step 4: Simplify right side
    31,762.02x = 803,706,862.80
  5. Step 5: Solve for x
    x = 803,706,862.80/31,762.02
  6. Step 6: Final answer
    x = 25,304.02

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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.