Home / 34,210.15-47,209.51-19,103.05

Finding the Fourth Proportional to 34,210.15, 47,209.51 and 19,103.05

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Solution

The fourth proportional to 34,210.15, 47,209.51 and 19,103.05 is: 26,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.15 : 47,209.51 = 19,103.05 : x
  2. Step 2: Convert to fraction form
    34,210.15/47,209.51 = 19,103.05/x
  3. Step 3: Cross multiply
    34,210.15x = 47,209.51 × 19,103.05
  4. Step 4: Simplify right side
    34,210.15x = 901,845,630.01
  5. Step 5: Solve for x
    x = 901,845,630.01/34,210.15
  6. Step 6: Final answer
    x = 26,361.93

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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.