Home / 34,307.06-47,342.13-19,400.18

Finding the Fourth Proportional to 34,307.06, 47,342.13 and 19,400.18

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Solution

The fourth proportional to 34,307.06, 47,342.13 and 19,400.18 is: 26,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.06 : 47,342.13 = 19,400.18 : x
  2. Step 2: Convert to fraction form
    34,307.06/47,342.13 = 19,400.18/x
  3. Step 3: Cross multiply
    34,307.06x = 47,342.13 × 19,400.18
  4. Step 4: Simplify right side
    34,307.06x = 918,445,843.58
  5. Step 5: Solve for x
    x = 918,445,843.58/34,307.06
  6. Step 6: Final answer
    x = 26,771.34

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Double scale
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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.