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Finding the Fourth Proportional to 34,475.76, 47,573.19 and 19,365

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Solution

The fourth proportional to 34,475.76, 47,573.19 and 19,365 is: 26,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.76 : 47,573.19 = 19,365 : x
  2. Step 2: Convert to fraction form
    34,475.76/47,573.19 = 19,365/x
  3. Step 3: Cross multiply
    34,475.76x = 47,573.19 × 19,365
  4. Step 4: Simplify right side
    34,475.76x = 921,254,824.35
  5. Step 5: Solve for x
    x = 921,254,824.35/34,475.76
  6. Step 6: Final answer
    x = 26,721.81

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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.