Home / 34,686.95-47,868.35-18,771.77

Finding the Fourth Proportional to 34,686.95, 47,868.35 and 18,771.77

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Solution

The fourth proportional to 34,686.95, 47,868.35 and 18,771.77 is: 25,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.95 : 47,868.35 = 18,771.77 : x
  2. Step 2: Convert to fraction form
    34,686.95/47,868.35 = 18,771.77/x
  3. Step 3: Cross multiply
    34,686.95x = 47,868.35 × 18,771.77
  4. Step 4: Simplify right side
    34,686.95x = 898,573,562.62
  5. Step 5: Solve for x
    x = 898,573,562.62/34,686.95
  6. Step 6: Final answer
    x = 25,905.23

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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.