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Finding the Fourth Proportional to 58,436.99, 80,649.26 and 34,258.29

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Solution

The fourth proportional to 58,436.99, 80,649.26 and 34,258.29 is: 47,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,436.99 : 80,649.26 = 34,258.29 : x
  2. Step 2: Convert to fraction form
    58,436.99/80,649.26 = 34,258.29/x
  3. Step 3: Cross multiply
    58,436.99x = 80,649.26 × 34,258.29
  4. Step 4: Simplify right side
    58,436.99x = 2,762,905,566.07
  5. Step 5: Solve for x
    x = 2,762,905,566.07/58,436.99
  6. Step 6: Final answer
    x = 47,280.08

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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.