Home / 31,603.80-47,397.06-11,880.84

Finding the Fourth Proportional to 31,603.80, 47,397.06 and 11,880.84

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Solution

The fourth proportional to 31,603.80, 47,397.06 and 11,880.84 is: 17,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.80 : 47,397.06 = 11,880.84 : x
  2. Step 2: Convert to fraction form
    31,603.80/47,397.06 = 11,880.84/x
  3. Step 3: Cross multiply
    31,603.80x = 47,397.06 × 11,880.84
  4. Step 4: Simplify right side
    31,603.80x = 563,116,886.33
  5. Step 5: Solve for x
    x = 563,116,886.33/31,603.80
  6. Step 6: Final answer
    x = 17,818.01

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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.