Home / 34,302.30-47,334.88-18,987.81

Finding the Fourth Proportional to 34,302.30, 47,334.88 and 18,987.81

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Solution

The fourth proportional to 34,302.30, 47,334.88 and 18,987.81 is: 26,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.30 : 47,334.88 = 18,987.81 : x
  2. Step 2: Convert to fraction form
    34,302.30/47,334.88 = 18,987.81/x
  3. Step 3: Cross multiply
    34,302.30x = 47,334.88 × 18,987.81
  4. Step 4: Simplify right side
    34,302.30x = 898,785,807.14
  5. Step 5: Solve for x
    x = 898,785,807.14/34,302.30
  6. Step 6: Final answer
    x = 26,201.91

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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.