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Finding the Fourth Proportional to 34,708.80, 47,897.12 and 19,602.08

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Solution

The fourth proportional to 34,708.80, 47,897.12 and 19,602.08 is: 27,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.80 : 47,897.12 = 19,602.08 : x
  2. Step 2: Convert to fraction form
    34,708.80/47,897.12 = 19,602.08/x
  3. Step 3: Cross multiply
    34,708.80x = 47,897.12 × 19,602.08
  4. Step 4: Simplify right side
    34,708.80x = 938,883,178.01
  5. Step 5: Solve for x
    x = 938,883,178.01/34,708.80
  6. Step 6: Final answer
    x = 27,050.29

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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.